A synonym for pounds. When read, you read it as pounds. Originated from the Zodiac Sign, Libra, which is a balance, or scale. That referred to weight, so people decided to substitute it for pounds.
In a Fraternity, "LB" means "Line Brother".
Guy 1: who's that?
Guy 2: Oh that's my LB, we crossed spring '07.
Little Boy; Often used when describing a male being too cocky or Immature for his age. Hanging around older women and trying to look older for his actual age.
Girl 1: Ew Yesterday this LB tried getting my number.
Girl2: Oh that's gross. Was he smoking?
Girl1: Yeah, but he started coughing halfway through a breath.
Girl2: What an LB.
weight in pounds, usually refering to one's physique.
"Dude, she's hot!"
"I don't know, man. She's packing some major LBs."
I asked the doctor how can you cure my LBS, and she said lets go to bed
Short for, "lasting boner syndrome". This is when, after sex, the male's erection persists for a longer period of time than expected (>5 minuets).
Man: "Baby, I've got LBS."
Woman: "I know! You finished 16 minuets ago and you're STILL hard!"