a word to fill the silence with the hopes of making the other person laugh.
I said moop and things were comfortable again.
by Jeanette October 23, 2003
Acronym for Matter Out Of Place
mr. Belvedere was moop at the anime convention
by Helne April 08, 2005
A neutral version of meep. Can be also used randomly..
1st person (who is excited): Meep!
2nd person (who is not excited): Moop.


by ladyjulianne November 30, 2003
A person that has sex with dead people.
eww.. she's a moop.
by Roman Anders June 06, 2011
1) When you are feeling like utter shit, but are in a situation where u can't say Shit or any other word you ACTUALLY would say in it's place!

2) Complete Mopeyness

3) Feeling Down

Can add other nonsense words on the end to give it a real shitty boost.... Note: Using "Moop" on it's own along with a real "feeling sorry for myself" facial expression will be more effective at getting sympathy!!
I'M NOT DOWN....I'M WORSE THAN DOWN {long pause} i'm totally moop today!!
by Kimberlegggg January 20, 2011
To burp while keeping you mouth closed, then tapping your sister on the shoulder and blowing it in her face.
She wouldn't change the channel, so I burped up some pizza and mooped her.
by W.E. Coyote August 20, 2003
being extremely random and sexual almost homosexual during hyperactivity, with the exception of grabing ones breasts or penis
(or out of control)
"I was so moop today i walked up to a stranger and yanked on his crotch"

"that was my dad"
by ehna September 09, 2008
An unreliable person. Someone who shows up late, doesn't pay rent or repay loans, can't hold down a job for very long, etc. Your typical moop has tattoos, piercings, court-ordered child support, a substance abuse problem and a petty criminal record. One step up from a rubadub.
I thought tending bar would be a fun job, but I couldn't stand listening to the moops tell their stupid fishing stories all day!
by paperbackwriter July 10, 2008

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