If he says...
"Mmmmmwhat?"
Thats means...
He doesn't remember agreeing to rent "Runaway Bride."

If he says...
"Whoooooaggg!"
That means...
He's having a flashback to his last Sega Dreamcast video victory.

If he says...
"Cause...maybefoodout..."
That means...
A date invitation is on the way.

If he says...
"Uhhh...mmmph."
That means...
He drank too many Mountain Dews and needs medical attention.

If he says...
General chimp noises
That means...
No clear meaning, guys just think monkeys are funny.

If he says...
"Ghhh...ghhhh."
That means...
He forgot his wallet at home and your check just arrived.

If he says...
"Somuchppp...pain!"
That means...
He's having pant-zipper problems.

If he says...
"Noooooo!"
That means...
He just remembered that SATs are tomorrow morning.

If he says...
"Oooohhhhhh..."
That means...
He'd like to spend the rest of the night with you dancing under the stars.