Mutton Bust
To make the "Bahh" noise typical of a sheep while you are achieving an orgasm.
"I mutton busted all over her face last night. She had no idea why I was 'bahhing' but she didn't seem to care."
Mutton Busting
Riding a sheep; like bull riding but with a sheep.
“Hey do you want to go to the petting zoo? People will be riding sheep, Mutton Busting.”
Mutton Busting
Fucking a sheep up the ass
"Why were at the petting zoo at 3 am?"
"I was mutton busting"
"niiiiiiiiice"
"I was mutton busting"
"niiiiiiiiice"