When you phone up a sexline in a phone box, and leave the phone off the hook while 2 people, members of opposite or same sex, have sex in the telephone box. Sign of best squinting llama's is when the windows steam up.
Jonny: Mate, I squinting llama-ed this babe last night. We got so hot that the windows steamed up. It was like an erotic dream I once had.
The act of pretending to steal an item from a store, and subsequently sprinting away from the security guard. Can be a form of competition based on who can make it from said store to the nearest fast food chain as soon as possible.
Hey Steve! I'm bored lets go to the mall for some urban sprinting!