Dumb idea

I knew it was a dumb idea to invite the NYPD to a federal drill.

I knew it was a dumb idea to invite the NYPD to a federal drill.

— Brooklyn Nine-Nine S2E15

'Cause you have dumb ideas.

'Cause you have dumb ideas.

— Modern Family S4E21

That's a very dumb idea.

That's a very dumb idea.

— New Girl S1E24

That's a dumb idea.

That's a dumb idea.

— Young Sheldon S1E9