A guy brings his girl friend back home after a ball. They stand at the door, she leans unto the wall, and they kiss for a while, which gets the boy pretty aroused... so he suggests she give him a blowjob "to releave the tension". She, not half aroused herself (he was a good kisser), rejects halfheartedly, and they discuss whether or not she should give him the blowjob, when the door behind them opens and the girl's younger sister stands there, in her pajamas, sleepy eyes and all, and says:

"Daddy wants me to tell you to finally go ahead and give him the darn blowjob... if you don't, I will do it, if he doesn't want me to, Dad might even send Mom down. And if that still isn't good enough for him, he will come down personally to give him the blowjob... but GET YOUR STUPID BACK AWAY FROM THE DOORBELL AND THE INTERCOM!"

I've heard that one before ........ its too funny!

LOL! that was a good one!