PTQ

"Pop the Question" -- Propose marriage

So John, when are you going to get down on one knee, break out a diamond ring and PTQ on Jane?

interesting

An overused word which says nothing at all and belittles conversation.

"I'm planning to jump off a building"
"Interesting"

grill fiend

A girl who develops the habit of bombarding her boyfriend with ridiculous questions and absurd accusations.

Grill fiend: "Does this make my butt look big?"
Boyfriend: "No, you're 80 pounds."

Grill fiend: "I think you're cheating on me."
Boyfriend: "I've spent every night with you the last 4 months."