As you stand at attention, did I forget to mention
MCs will give me twenty if I sense that they act funny

from A Tribe Called Quest – God Lives Through Lyrics on Rap Genius

Meaning

Tip here is putting himself in the role of a drill sergent; Just as privates are forced to stand “At attention” people are waiting on bated breath for Tip to deliver. If they act funny, drop and give me 20 [pushups, just like new recruits.]

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