A tactic used by unconfident males to coral, corner, or block off access to females they are engaging in conversation with. L-Blocking is usually preformed by propping one of their legs up on a seat near the female target.
Look at that babe getting leg blocked by that dweeb at that picnic table. See how he blocking access to her by strategically placing his leg on the seat in front of her.
by 3rdKnklBrwn September 2, 2010