A Gimp - A gimp is someone who's so clueless, they can't keep up with

A gimp is someone who's so clueless, they can't keep up with the rest of the world and make everyone else look good by comparison.

Your mom calls your brother a gimp because he can't fix the Wi-Fi.

Your gym teacher calls the guy who can’t do pull-ups a gimp.

You call your friend a gimp for not knowing who won the Super Bowl last year.