moo

A satanic ritual used to turn someone else into a mooing cow.

Ritualist: “Moo...”

Victim: “moo moo moo moo”

by SadisticallyTrainedDumbass January 20, 2019

MOO

Acronym for "Maybe Only Once."

"Would you peg?"
"MOO"

by CapitalQueen February 5, 2019

Moo

A sex noise girls makes in bed

Mooooooo

by Bobyjrjd April 19, 2019

Moo

the sownd a cow makes

the cow said "MOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOO,"

by Asriel625 March 20, 2017

moo

a sound you hear a lot from idiots.
also a sound a cow makes.

the cow mooed
so did the idiot

by mr_PIGGY November 2, 2017

Moo

The sound a cow makes

Mooooo

by Zebrasaysmoo June 22, 2016

Moo

Short for "Movie"

"Dude let's watch a moo"

by Lelthatfaggot May 15, 2016