from The American Heritage® Dictionary of the English Language, 4th Edition
- n.pl. Slang Associates; friends.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Plural form of peep.
- v. Third-person singular simple present indicative form of peep.
Alteration of people.(American Heritage® Dictionary of the English Language, Fourth Edition)
Shortened from people, with simplified spelling, + -s to emphasize the plurality of the word (Wiktionary)