Molotov

Me: I'm dropping off the banking, does anyone need anything from the shops?
Coworker: Oh! Yeh! Can you buy a dish washing brush?
Me: Sure, that's a good idea - we've only got sponges in the sink.
Coworker: Yep. Also, they're great for cleaning keyboards.
Me: Uh. Okay. So do you want it for cleaning keyboards or in the sink?
Coworker: Both.
Me: ...
Me: ...Okay. How about I get two brushes?