From Keyshia coles show. Mandown used with "mandown" situation. meaning a nigga got his/herself in some shit and needs assitance
friend 1: Damn they shot me 4 times with the paintball
friend 2: hahahaha
Friend 1: i aint get no assistance. shordii it was a mandown situation
When someone goes to sleep or is resting, to take a nap.
"Yea, I about to mandown before the party."
"Ima mandown for the rest of the night, I'm sleepy,"
A person who rages and crys in other words, Pathetic.
Trying to put people down.
"You're so ManDown"!