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reversal of the word yep, it means agreement, action, or anything else you want it to.
Don't make me pey you!
She is f*cking hot, i want to pey her.
by Matt May 14, 2003
it's short for peyote a spinless catus grows in southwestern usa and mexico you grie button that grow on it and eat it get high is best get high
go you any got pey
by kreem July 29, 2004