Definitions by gnomster

SFA 

stands for Stupid Fuck Ass. To be used in any applicable situation.

"Your SFA backpack keeps falling off my fucking shoulders" - a younger sister forced to carry her sister's things

"This SFA paper is ruining my fucking life" - a teenager

SFA by gnomster January 24, 2013

sleep tight 

Meaning Sleep well.
Very well used phrase in the English - speaking world. It's been common at bedtime for many years in the form of "good night, sleep tight, don't let the bedbugs bite", or something like that.

A: 'ight dude, I'm out. Good night.
B: Good night. Sleep tight.
A: Sweet! Thanks Brah!! I'll holler at you tomorrow. Peace out.
B: Peace.

sleep tight by Gnomster June 27, 2008