Donkey Ball'd
When you cover/drown your balls in animal fat, then shove them into one of your friends/best friends mum's mouth.
Joe: 'Guessing what Im doing at the weekend?'
Garry: 'What?'
Joe: 'Donkey balling your muma!'
Garry: 'Huh, thats funny, because I donkey ball'd your muma just week!'
Garry: 'What?'
Joe: 'Donkey balling your muma!'
Garry: 'Huh, thats funny, because I donkey ball'd your muma just week!'