The shirt a slut commonly wears when she goes out to grasp the attention of guys or a revealing or tight shirt a girl will wear to a party or bar in order to show she is available and would like attention from any guy.
X: "We should go out tonight."
Y: "Yeah! I'm feeling a little naughty, I should wear my slut shirt."
or
X: "Why are all the guys dancing with that whore?"
Y: "It's because she's wearing her slut shirt."
When a babe is horny and in need of sex she puts on her Slut Skirt the one that leaves nothing to the imagination and signals that she is in a very slutty mood
When somebody says something to piss you off so you put a whole bunch of swear wordstogether that doesn't make any sense just so you can make yourself feel better