Acronym for "I Have a Dildo Up Me Arse", a term relating to a person with an extremely strange walk and sits down very gingerly so much so that it appears they have some sort of large sex aid inserted into their anus and it is causing extreme discomfort
Cor look at jason over there, neverseen anyone walking and sitting down like that, looks like he's got a 12 incher up his arse, he's IHADUMA, it's gonna be the end of him if he doesn't remove it
1.) noun- an expression of surprise/elation originating from the spanish language. Often used after announcements of tests or days in the computer lab.
2.) noun- the mating call of a Bingo winged older female, typically one who teaches spanish
3.) noun- secret language amongst spanish students trying to figure out what's going on during class
1.) "Class, we will be going down to computer lab 320 today."
"IEAOU! IEAOOUIOUEOIA!"
2.) Señora senses an adequate mate approaching. She puffs out her bingo wings, cocks up her head and screeches "IEAOU IEAOU IEAOU"
Used to pretend that something was obviously agreed upon when actually you never discussed it with anyone.
Typically used when a project manager has no clue what their project is about, has never shown any interest in it, and wakes up at the 11th hour all panicky because things don't work like they dreamt they would.
Nuclear reactor starts melting Project Manager: IHABU there would be an emergency stop button on the reactor!