BJLD stands for "Big Johnny Love Dart,"
the penis...duh! When a guy gives a chick the BJLD look, he wants to get a leg over, if ya know what I mean. Willy The One-Eyed Wonder Worm wants to do push ups in that dark, damp, love tunnel until he pukes.
I was givin' her the B.J.L.D. look from across the bar. She then threw a beer glass at me and told me to 'fuck off.'