Top definition
1. to do something wrong, make a mistake, or make a fool of yourself

2. to not be funny or interesting
"That girl is walking around like she's all that. She is messing up."
by loredaj March 30, 2010
Get the mug
Get a messing up mug for your grandma Beatrix.
Oct 3 Word of the Day
I couldn’t care less (but one must keep up appearances, right?)
Frenemy has a family tragedy. "Thoughts and prayers."
by November 05, 2018
Get the mug
Get a Thoughts and prayers mug for your father-in-law Bob.