A very small penis no more than three or four inches.
Ryan has such a little penis that us girls all laugh and hold up our pinkies when we see him!
little penis: define #2
A small dick usually seen on the body of a liitle kid. Sometimes can be embarassing.
Mike has such a little penis that’s it’s like circle jerking with a five year old.
When I was showering after gym and saw Tim’s little penis it was like showering with a baby.