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 girl walking 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.
"We did the swy flotter last night, and wow. What a mess!
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.