Phrase used instead of whatever floats your boat to describe that any course of action is acceptable with the person that says it. Goats are more bouyant than boats. Therefore the phrase is more flexible than boats. And better.
Person 1: I should... eat a pony. And a small child.
Person 2: Whatever floats your goat, man.
Used instead of whatever floats your boat, whatever floats your goat, and whatever floats your waterlogged boat". A goat totally can't float, because it's waterlogged. See?
Joe: I'm gonna do an internet!
Pete: Whatever floats your waterlogged goat...
Joe: What the actual fuck?
when you're holding up your phone and making faces at it, as though you are taking a selfie, but you're really taking a picture of the person across from you or the wall or anything else that seems interesting but you don't want to be caught dead taking a picture of.
This action is often made more convincing by wiggling the eyebrows or opening the mouth, to pretend you're trying to get a Snapchat filter to work.
FRIEND A: "Did you just take a stealthie of me?"
FRIEND B (turning phone around): "no I was just using snapchat's new filter, see?"