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
Get the bang on woodmug. by Hat_Man December 18, 2017
Get the loose woodmug. 
Where you stick a lot of pins around your friend's penis and then that person does it to you. After you are done, you start sword fighting, (aka hitting each other's penis in a playful way
by ImNotEvenLoudCuz August 14, 2025
Get the Nigerian Wood whackermug. by Aubri the Thugshaker May 11, 2023
Get the Slapping the Woodmug. by WoahWyatt September 22, 2019
Get the Alexia Woodmug. Da hard-ons experienced by a group of striped-feline males when in da company of a "hot" female --- especially if she's also "in heat" --- of their species.
Female tigers often outnumber males in da wild, and so said abundance of furry vaginas would reduce da instances of widespread tiger woods in a sizable group, since presumably there would seldom be multiple males vying for da favors of a single female.
by QuacksO June 3, 2023
Get the tiger woodsmug.