Top definition
1. a person who sleeps around slut
2. a person who seeks social acceptance through jokes
3. someone who is smart, pretty, but non-athletic
that girl got a perfect score on the SAT's and she's so pretty but she doesnt play any sports.. what a molly oneil.

A: did you hear emily makeing those dumb jokes this morning? i was going to HURL
B: i know she was being such a molly oneil
by Colleen Yergacheffe May 06, 2006
Get the molly oneil neck gaiter and mug.
May 1 Word of the Day
When some little bitchboy is acting like a little tiny pee pee poo poo baby and messing up the group plans.
I’m tired I wanna go home

“Oh I didn’t know it was pee pee poo poo hours”
by A7sa July 03, 2019
Get a pee pee poo poo hours mug for your sister-in-law Julia.