A similar phrase to knock on wood, however it is used when one hits their erection on an object, typically the underside of a desk or table when standing up.
1: *hits erection on desk*
2: Ha, bang on wood.
1: What?
2: Bang on wood. You hit your erection.
1: Uh, ok.
2: Ha, bang on wood.
1: What?
2: Bang on wood. You hit your erection.
1: Uh, ok.
by PoehlerBehr September 4, 2018
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