acronym for "just to let you know" usually used in a not so serious conversation
J.T.L.Y.K , I can't go tomorrow.
expression used to show lack of interest. can be compared to words phrases like "i don't care" or "whatever"
bret: where's your band?
bret: squirrelly gutters
qwan: so today i was at the mall..
bret: -_- squirrelly gutters