Because he brought his own drumsticks
She's afraid they'll bring down the house.
They both make a lot of noise to let you know they are coming.
RAWWWWWWWW!!!!
What did they chicken say to his friends after being sent to the hospital after failing to cross the road ?. Don't worry ill get over it.
A StayGosaurus
They're afraid they'll be audited by the IRS.
None, the beer should be open by the time she has brought it to you.
If she's only wearing one sock. (This joke brought to you courtesy the homeless guy outside my local 7-11.) Edit: tweaked the punchline.
A crocstar
Pigcussion!
A: Stick them up front of the group and tell them to wave their arms!
So they can park in the handicapped spot.