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
Get the mug
Get a ballache idea mug for your Facebook friend Nathalie.