The thing to say when nothing else is usable without looking like a sadisticpervert. When wanting to cuss but not being able to replace every word with Merp.
Girl: Hey Bro, wassup?
Boy: MY DICK
Girl: ....
Boy: Merp
or
Student: MAN FUCK THIS MOTHA FUCKIN FUCK OF A FUCK YOU FU...
Teacher: Excuse me?
Student: Oh Merp......