boingy toing 

sex and such.

(specifically referring to sexual activities involving a penis or penicular shaped device)

Jessica: hey Robbie you down for some boingy toing later?

Robbie: (to his bros the next day probably) dude Jessica and i had the BEST boingy toing sesh last night it was CRAZY

boingy toing by zombiejubes March 20, 2022

boinky thing

Sexual intercourse. As said by Bruce Willis in the TV series "Moonlighting".

Hey babe, wanna spend the weekend in Cabo doing the boinky thing?

boinky thing by fartknocker November 6, 2003