Etymology: Middle English "more jaeger bombs!", probably from matthew moore, noun
Date: 21th century
1: punch, strike, slap
2 a: to strike with a forward thrust especially of the fist, usually applied to the side of the receipient's head. b: to rough up another individual (specifically a dumb ho at Brother's) using extreme force.
Colloquial: "Dude, did you see Momo totally momo that dumb PH at Patio on Saturday? Fuckin' extreme!"
2. If a loud crow outside your window wakes you up, you might say "God! Shut up stupid momo bird!"