Examples
“The words that have gained an official entry to the English language, and that sticks out a mile are words like "phwoar" - "expression of enthusiastic or lubricious approval".”
“Mary Shelley adored the version with Cooke as the monster (her "phwoar" reaction to him is almost audible in her letter about the performance).”
“And I too have noticed women doing the old 'phwoar' thing (although I have never been ogled at by a women since I was about 17, as I was considerably more 'strapping' than I am now) - so that must be true too.”
“God knows why I didn't think 'phwoar', it's quite the mystery - as on paper, his character sounds like the ultimate fantasy of twisted yours truly that voice, all powerful, massive house, deeply evil, can't be bad.”
“Hmmm I always thought "phwoar" was British but yay, there are other people who use it.”
“Mail website, many of them variations on "phwoar", would indicate something similar.”
“The shapely curves and head-turning 'phwoar' power of classic cars are attracting women - and not as passengers.”
“The words "phwoar", "stud muffin" and "arm candy" have officially become part of the English language after the bastion of words the Oxford English Dictionary added them to a new publication.”
Lists
‘phwoar’ hasn't been added to any lists yet.

reesetee Or the sound made by one of those big-ass movie studio wind machines. Feb 1, 2007
chained_bear As an enthusiastic expression of desire, approval, or excitement, esp. in regard to sexual attractiveness: ‘cor!’ ‘wow!’
Favorite usage: Phwoar!! What juicy big pink tumblers!! (1980 Viz Comic July 1) Feb 1, 2007