drive-by bumper
Any inconsiderate asshole or bitch who "bumps" their stereo while driving by, waking you from a deep sleep, and pisses you off.
Jack: "Why are you so bitchy today?"
Jane: "I got woken up at 4:30 this morning by a drive-by bumper. Some people are so rude!"
Jane: "I got woken up at 4:30 this morning by a drive-by bumper. Some people are so rude!"