Walk up to some one of the same sex and who you know has a date, then state, "OH GOD," hug the person, "It's been so long since... well *chuckle/giggle*" Look over at their date and say *Whos this hussie? you said I was the only you YOU SAID I WAS!" Then start crying slowly going onto your knees, start to smack their feet as you reach the bottom, chase them if they back away and tell them "Embarce me, EMBARCE ME LIKE LAST SUMMER!"
Open the CD's and DVD's, look at them, don't they look like awesome Ninja stars?
Walk real close to people with a cart, "Sneeze," and smack the back of their legs, then get upset when they yell at you.
Nothing says fun like drop kicking elders!
Go up to someone and start licking them.
Get a some porn DVD, a portable DVD player with great sound, a blow up doll, head into the bathroom, and wait for someone.
Who says the Electronic Section doesn't have a Drive Thru?
Plasma Surfing, take a flatscreen out of the box, have a friend pull you surfing on the TV until bored.
Ohh, and the classic,