What is Are You Bitchin' On My Leg??
1.
Are you for real? or Are you kidding me?
If someone is being outrageous, or something outrageous happens (playing pool and you make a crappy shot or someone accidentally sinks four of his balls) instead of saying, "Are you kidding me?" or "Are you for real?" you would say "Are you bitchin' on my leg?"
See
