Meg

n. A euphemism for "shit." Often used in a humorous or ironic way.

Synonyms:
Shit, crap, crapola, doo-doo, guano, manure, turd, waste

Antonyms:
Success, achievement, accomplishment, triumph

Usage:
The term "Meg" can be used in any situation where the speaker would normally use the word "shit." It can be used in a sentence by itself, or it can be used as an adjective or adverb.

"I'm about to Meg my pants."
"Blake is gonna get so Meg faced tonight"
"I hope she doesn't get Meggy with this"