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1.
a cocky male athlete that has an a unusually small penis, but is still very willing to have sex with anybody
dude1: hey how was that tournament yesterday
Dude2: man im hella upset cause i was talking to some girl and joe pulled a memito on me
Dude1:so what happened?
Dude2:she hooked up with him even though he's a memito
by HAZ_DP_PIMP March 07, 2010
 
2.
A person who clearly does not know the meaning of shutup. But uses it against others all the time.
Andrew: Hey, you're a dork.
Kyle: Shutup!
Andrew: Stop saying that word!
Kyle: Shutup!
Andrew: Oh, God. You're such a Memito.
Kyle: Shutup!
by Azilia September 09, 2008