Acronym for "JUST FOR LET YOU KNOW" - A different take on "Just to let you know". Can be used in professional settings. Commonly used by Canadians.
Ex: JFLYK, I finished my tax return last night.
Ex: JFLYK, I'll be a little bit late to the party.
SAR- Acronym for "Suck a Root" - A different take on "Suck a Dick". Root referring, of course, to the male genitalia, which can resemble a root vegetable. Not to be used in a professional setting, but only amongst friends.
Ex: That guys is being a real prick. Tell him to go suck a root.
Ex: People who cut you off in traffic can go SAR.