Definitions by Templeton/Ferguson

NSL

Acronym for, "nut sack licking." Referring to the act of getting your balls licked.

I hooked up with a girl last night and she gave me a nsl.

Acronym for "ass licking cunt" made in reference to a extremely difficult and hard to please woman.

I went on a date last night and it was horrible she was such an alc.