2. Verb - The act of shooting semen in a McDonalds bathroom or on/in a McDonald's employee.
Damn, Holly, I'm bouts to Mcnut all over your face and your shitty Iggy Pop hairdo!
2. fucking at McDonalds.
2. Male: Ho, I'm gonna McNut inside you and McCrush you on this playhouse.
Female: O ya baby fuck my McPussy til I McCum
Ronald McDonald: Can I join this McNutting?