"Slip the goose" means almost anything depending on context. It is the perfect expression because it invokes a strong visual, and yet it's vague enough that it resonates in a wide variety of situations with various meanings. Depending on how you say it and with what other combinations of words the meaning can mean someone did awesome, someone did badly, someone messed up, someone got confused, someone did something really tiring, or someone blew off work or other obligations, or even someone avoided a problem or tragedy.
Good - Hell yeah, man! You slipped the goose big time! Oh dang, you're lucky you slipped the goose.
Bad - Damn, you really slipped the goose. I don't know man, I slipped the goose earlier and not feeling it. The hell man, you slipped the Goose
Goose the cat is a cat that has tentacles inside of him hes an alien and can eat anything.
Tim: Hows goose the cat?
Jim: *dead*
goose the cat: meow
Tim: okay then.
seeing a goose dancing means that you see a crackhead in their natural habitat
dude 1: bruh did you that goose dancing?
dude 2: yeah that guy must have had some good crack
One that passes gas regularly on a date
Because mark was considered a cheesy goose no girls would date him.
a third wheel, but better phrase
boy: does your friend really have to rubber goose again?
When deepthroating a penis, a person who 'inhales' / quickly deepthroats said penis in a very short amount of time and then follows up by biting the dick forcefully after they ejaculate is often referred to as a 'throat goose', mostly for the implication of the 'long' neck and aggressive biting action .
INHALE THE DICK!! BITE OFF THE DICK!!!! THAT'S A THROAT GOOSE ALRIGHT!