Top Definition
its a slang word for You Fucking Asshole
Boy:haha you're fat!
Girl: OMG Y.F.A
Boy: its true...
#haha #omg #true... #fat #its
by grrrrrrrrrate July 18, 2009
yfa
Yoshi fighting association

its the proses when some one eats to many mushrooms and hallucinates since Mario is commonly associated with mushrooms then some one felt it to be the best idea
when some one says "dude are you going to the yfa"
#yoshi #mushrooms #mario #hallucinates #shrooms
by superdum2 December 04, 2009
Young Free And Single
Go for it man, she's dtf and you're yfas.
#yfas #yfs #young free and single #singe young and free #free single and young
by V10 September 09, 2011
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