One Mo Gain

to do something one more time-the act of repeating an action in a derogatory sense. Usually used in a threating manner

"Call me an asshole one mo gain and see what happens"

by pfcbenji April 19, 2009

one mo' gain

A more emphatic way of saying "again". Combines the phrases "one more time" and "again".

"That movie was so good I want to see it one mo' gain!!"

"I know you didn't just say that to me -- repeat yourself one mo' gain...."

by VaNellie August 24, 2005