1 definition by Justagirl97

Big Nasty

When you munch on a ‘Big Tasty’ but end up vomiting it up on your partners erect penis later on that day, therefore downgrading it to a ‘Big Nasty’.

“Oh mate, I pulled a big nasty last night while giving head…what a waste of money that was.”

by Justagirl97 October 15, 2023