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Oh Schummme':pronounced:(oh' scooo' me)
Meaning oh excuse me , or a shorter way of saying "what the fuck waas that shit you as saying bitch", when your in the hallway and a bitch wont move, gucci mane says often in a song along with SHaqitttttaaaa.

you have 3 seconds to say it.
Situation 1
Boy: your in my way
girl: OH ScHUMMMME' (she moves out the way)

Girl 1: ima beat your ass when i see you!
Next day
girl two: OH ScHUMMMME' what was said yesterday bitch?
by LoloBOWCLICKCLCKblasteeemmm March 04, 2011