Slang term that holds the place of almost any adjective. Can be used as a positive or negative placeholder or for when you just forget the word you are looking for......
Did you hear what Carolyn did last night, that girl is such a hoobie-koobie
1) a koodie is when someone is being very "slow"
2) using it in the term "koodie smacks", say it when you want to just hit someone because they said something so stupid.
--you can actually go on to smacking the person if you wish.
1)JEN:"Cows gomoo? I didn't know that."
MATT:"KOOOOOOODIE !"
2)JEN:"Cows go moo? I didn't know that."
MATT:"omg. KOODIE SMACKS for you"