look up any word, like bukkake:
 
1.
Used to describe a penis tucked in between the legs, making it look as if a male has a vagina.
I was masturbating when my dad called me upstairs. I was still stiff so I tucked it in and had a penina
by Tizzzzy T May 05, 2007
 
2.
Noun-Having a split genital, containing the penis and the vagina.
OOOO yeah baby, lick my penina!
by Mark Hollander August 03, 2006
 
3.
the fattest girl you will ever meet
ew dude, look a penina.
by josh chozick December 30, 2008