Definitions
American Heritage® Dictionary of the English Language, Fourth Edition
- n. Informal The buttocks; the rump.
Century Dictionary and Cyclopedia
- n. The back part or aspect of anything; the part opposite to the front, or behind that which is presented to a spectator.
- n. Specifically The hind part of an animal; the rump: often (vulgarly) in the plural.
- n. The back premises, back yard, or out-buildings attached to a dwelling; also, the privy.
Wiktionary
GNU Webster's 1913
- n. The hinder part, posteriors, or rump of a person or animal.
WordNet 3.0
- n. the side of an object that is opposite its front
- n. the fleshy part of the human body that you sit on
Examples
“Wearing pants with words across the backside is a stumbling block.”
“On the backside is a huge statue of the sitting Sor Juana that looks much like the space aliens of Roswell, New Mexico.”
“She scrambled down like a camel, rising again backside foremost, like a cow, a strange performance, painful, it might be supposed, to the performer, the expression on whose face, however, belied this thought.”
“Patting the backside is how football players ask each other out on dates.”
EXTRALIFE – By Scott Johnson - 7 Innocent Gestures That Can Get You Killed Overseas
“Don't some of you understand that if you are going to make inferences about motives you need to be sure your backside is protected?”
“God knows his backside is big enough to hold one of those DOT signs (full size)”
“Can fill the rush lanes and work through the pile, but struggles some to locate the quarterback or ballcarrier in backside pursuit.”
“Has a consistent motor in backside and downfield pursuit ...”
“I swear that my backside is up in the air for half of the class, at least.”
“You want to try sitting in the dugout, when your backside is on the bacon slicer?”
Lists
These user-created lists contain the word ‘backside’.
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back phrases/hyphens/compounds
backache to backyard
back-ache, back-aching, back-acter, back-acting, back-answer, back-bar, back-basket, back beat, back-bias, back-blast, back-blowing, back-boiler and 342 more...
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Derby Day!
List of terms one could expect to hear or read in connection with the Kentucky Derby, or high-stakes horse racing in general. This is an open list.
morning line, filly, field, post, favorite, two-year-old, colt, three-year-old, lifetime starts, trained, trainer, owner and 91 more...
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buttocks
words for buttocks and anything
to do with buttockssteatopygia, callipygous, callipygian, tuchis, tot, stern, seat, rear, rump, keisterrump, fundament, fanny and 160 more...
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Interesting words
A list of words that are odd or words that I have looked up.
concupiscence, brize, scree, scoria, forestaff, spanaemia, valetudinarianism, distasture, pyrethrum, laudanum, gentian, bicameral and 11184 more...
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Words grabbed from real life conversa...
If I've seen it, heard it, or marvelled at it, I'll stick it here.
cruft, ermine, redundant, shakespearean, camino, marvelous, stupendous, chagrin, shaven, sleek, smug, stillness and 325 more...
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Just 'cause I like 'em, B
bloviate, bejesus, brouhaha, behoove, bodacious, bamboozle, banshee, bub, bolus, blob, bubbly, bleb and 414 more...
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Place Names Of Distinction
These are all names of real places. The focus is on towns, mountains, rivers etc. but I will consider streets. Streets are even wackier so if there's enough good'uns ... yep, another list :-)
malino, yoshkar-ola, cae onan, krakatoa, gulfoss, perusia, camooweal, manangatang, utopia, bastardo, condom, zumstein and 324 more...
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Front and Back
backchat, backbone, backpack, backhoe, backfire, backhanded, breakfront, beachfront, drawback, effrontery, frontier, switchback and 196 more...
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Wordie Hawk's Pro Skater
Skateboarding tricks!
airwalk, fakie, frontside, aerial, grind, heelflip, kickflip, ollie, nollie, slide, 900, grab and 2 more...
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Bellicose Backsides
Inspired by chained-bear's "Favorite words that aren't really words"
badonkadonk, junk in the trunk, booty, buttocks, dupa, posterior, butt, arse, ass, fanny, backside, behind and 10 more...
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themodestokid's Words
foetid, crumble, crayfish, slight, macaroon, anæsthesiologist, æsthete, mellifluous, carnation, hellacious, dawning, slumgullion and 30 more...
Tweets
Looking for tweets for backside.

bilby Two towns in Scotland have this name, one in Banffshire and the other in Aberdeenshire. Jan 1, 2008