(He was, however, nice enough to tell her to wait until the tailpipe had cooled down first.)
So, the blonde went home, got down on her hands and knees and started blowing into the tailpipe. Nothing happened. So she blew a little harder, and still nothing happened. Her blonde roommate saw her and asked, "What are you doing?" The first blonde told her how the repairman had instructed her to blow into the tailpipe in order to get the dents to pop out.
The roommate rolled her eyes and said, "Uh, like hello! You need to roll up the windows first!"

-"BB"-
