Top Definition
One who can contort their body in a nearly sickly manner.
1: Dude, did you see that recent talent show in Oceanside? That kid was amazing! He contorted his body all over the place!

2: Don't you know? He's a motherflexer!
#motherfucker #motherlicker #night man #freak #muthafucka
by I.B Jobbin March 08, 2009
5 Words related to Motherflexer
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