Definitions by Scubathetuba

Irish Tuba

The process of inserting a tuba into your partners anal cavity and attempting to pour beer through the tuba and into the anus. After your remove the tuba and fart out the beer in tune any Irish song.

Dude me and my frat bros did the Irish tuba last night, I’m sore.

Irish Tuba by Scubathetuba April 11, 2023