STD - stands for Sexualy Transmited Disease. The most commonly known is HIV/AIDS. To say the least you don't want an STD.
Dude I fucked her good and I'm gonna have this damn STD for the rest of my life. Don't fuck her.
Hoody is another word that reffers to a sweater that has a hood. Most have one big pocket in the front that you can put both hands in. A few of then have zippers, but those aren't as common as the more normal pull-over ones.
Dude check out that cool Hoody!
funny as fuck is something you can call someone or something that is very funny. However, despite that this word is harmless, Its not advisable to say it with adults present.
Can also be typed FAF for short.
Dude, Jasmine you're funny as fuck.