-A person who is over the top or being completely ridiculous
-Someone who has pushed you over the edge and become quite a problem
1."Wow she just stole my seat, what A Mandy":
2. Hey look at that girl wearing a teal puffy jacket what A Mandy 3. "Would you like to go on a date with me to Wendy's" Fuck no you are such A Mandy
UK origin. Named after the French girl's name Mathilde, and generally used to express a combination of amusement and embarrassment (sometime with a dose of incompetence), much like the world view's the French.
Doing a Maddy is most commonly used when you have done something that is embarrassing to you, but amusing to others unintentionally. It is often used as a pre-emptive response to the ridicule you will anyway be in for and admit defeat before it even begins.
Laura: "I did a Maddy this morning..."
Lisa: "Really? What happened?"
Laura: "I overslept and tried to wash my hands with toothpaste"
To piss oneself in public -- usually, but not always, as a result of too much drinking at one's defence party.
Person 1: "Hey, did you see Jane pull a Manda last night?"
Person 2: "Seriously?! She pissed herself at her defence party?!"
Person 1: "Yeah! I guess incontinence really is a symptom of too much grad school."
Person 2: "That and being a total derp."
Person 1: "Oh yeah, Jane is a total derposaurus, just like Manderp."
Person 2: "lololol, Manda is a total derpinatrix."
Nickname given to bales of marijuana thrown overboard or out of airplanes. Origin is reportedly from members of the US Coast Guard in the area of Southern Florida.
"Base we've got some square groupers floating outside of Miami harbor."