When the entire trombone section empties their brassy spit on your steez
Steven: Hey Dan did you see jen’s bust?
Dan: Heck yeah I did, I’d love to give it the ol’ trombone bukkake!
A variation of the rusty trombone. Instead of eating the ass you blow vodka into it while reaching under and performing a handjob.
Vodka is essential if you want to play the Russian trombone.