pinhead

don't be such a pinhead when making decisions.

he called me a pinhead for forgetting the meeting.

sometimes, i feel like a total pinhead for my mistakes.

she acted like a pinhead during the presentation.

don't be a pinhead; just ask for help.

he often makes pinhead comments that annoy everyone.

being a pinhead won't get you far in life.

she realized she was being a pinhead after reflecting on her actions.

my friend sometimes acts like a pinhead when he's tired.

don't be a pinhead; think before you speak.