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1.
another word for paper, skilla, money... originated from the yay area made popular by E-40
spendin all your yayfer

Yay Area - E-40
by nothin June 17, 2006
 
2.
a word describing pure happiness, better than yay of course
"I just bitch slapped that whore! Yayfers!"
by stork the dorkk July 02, 2006