An uncommon name for marijuana

Can be paired with other words to express an action. Such as :
strumming = smoking

When the banjo string (between the bellend and the forskin) snaps while having sex.

When you're petting a dog and his leg starts to shake like he is playing the banjo and than he starts to pee.

When a cat grabs onto a man's testicles and swings there until detached with significant effort.

A woman touching her clit

When a woman touches her clit for the purpose of masterbating

Making a turbo blow-off sound, similar to that of a Scania V8, as you climax during sexual intercourse