Pronounced "swai". Short for "she wants you". A means by which one friend encourages another friend (usually male) to romantically pursue an attractive female they both encounter. A means by which to acknowledge a girl's attractiveness to friends without the girl knowing what you said.
2 guys walking when they see a hot girlwalking towards them:
Guy #1: SWY.
Guy #2: I wish!
The act of swatting ones friend while trying to swat a fly. Can also be used to reference the attempt of killing any other bug and hitting a person instead.
"Oh, I'm sorry," said Jane after slapping her friend with a newspaper in an attempt to kill a fly. "I totally just swy flotted you," she added pointing to the lucky fly making its escape.
The act of painting a vagina to look like a Venus fly trap and a penis like a fly and having intercourse. Then when the man is about to cum, the woman swats the penis resulting in cum everywhere, like the mess of swatting a fly. For extra mess, massage the prostate beforehand.
Used to describe something that is full of swag and is hella fly at the same time. Often used by huge dorks to describe something or someone lame in a cool way. Most often than not, it's not usually used in a serious way, but can be depending on its intention.
A: Ha! Look what I can do with this pencil. I'm hella swy
B: Did you just say hella swy?
A: yup
B: You're hella lame, you dork.