Top definition
when someone comes up with an idea that they think is a brilliant idea however rarely makes any sense to people what so ever. Ballache ideas are usually come up with under the use of either alchol or drugs
laurence: yo know whats a really good idea.....
bozwick: what man?
laurence: we should go look for burried treasure in arctic...
bozwick: u know wht laurence thats a reall ballache idea.....
by Bantan and ballzach November 05, 2009
Mug icon

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug