A phrase uttered in such rage that telling another human being to suck a dick would not convey the full intent of the speaker. Generally used sarcastically in return to blatant sarcasm, resulting in a perpetual cycle of bag-eating.
Commonly abbreviated as "eat a bag" or simply "a bag."
When someone has an attitude or is hella worked up and needs to calm the f**k down. A reference to the Snickers commercials when someone "is not themself" until they eat a Snickers.
12 step recovery jargon referring to someone new who talks about how great life is, now that they'resober. Usually meaning that the person is out of touch with reality.
The new guy seems pretty happy for a dude who has no job, no money and no family. He must be on a pink cloud.