Passing out far too early in Las Vegas or a comparable party scene (i.e. Mardi Gras) and having a precisely peeled banana skin draped skillfully across the face of said passer-outer as a consequence for failing miserably at holding one's shit together for a respectable amount of time. An effectively executed banana-face often results in years of humiliation and disgrace with redemption only coming for the banana-facee when the exacts revenge on his perpetrators.
Vegas leaves people bananafaced.

On you're way over can you pick up some red bull, ice and some bananas so we can bananaface Todd later?

Yo, this fucker is getting bananafaced.

Mark's cousin looks about 45 minutes away from a bananaface.

I think I'm gonna pass on this shot guys as I believe it will lead to me getting bananafaced.

Is it possible to give you all 20 bucks so as to not get inevitably bananafaced tonight?

So in Puerto Rico is it called a plantainface?

For some reason I just feel like I'm gonna wake up with a bananaface.

This guy needs a fucking bananaface to teach him a lesson.

Yo Gary, get the banana ready this fag is doneskies.

I'm scared the bananaface is gonna suffocate him.
by Tommy Hanasticks January 25, 2010
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Bananaface is probably gonna end up killing Walt.
by BakeyMcBakealot November 13, 2012
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A bananaface is a guy who asks you to the prom, and then ditches you AFTER you bought the dress, to go with another girl.
That Michael kid is a bananaface. He deserved to break his arm stepping out of the hot tub.
by Miss Delaney March 31, 2005
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