no u

A phrase typically used that effectively has the same meaning as "I'm rubber you're glue, what you say to me bounces off me and sticks to you."

Friend: Wuss poppin' b
You: Im boning a t-rex, and you're gay.
Friend: no u

Boning a T-Rex

Boning a T-Rex is typically an excuse on why you can't go out to do fun activities with friends, because you're a total introvert.

You: Dude, sorry I can't go out tonight.
Friend: Ok, why tho?
You: I'm boning a t-rex