numb nut

1. Lacking intelligence.
2. Having no feeling in one's nut.

-when one is being cluelessly dumb
-when a person thinks that they're right about something in which they're really not in reality

An incredibly stupid person.

The metaphoric comparison of a useless un-inteligent person to useless sterile testicals.

A beta player, an absolute novice

a person that makes unthoughtful mistakes, acting without thought

The phenomenon that occurs when a male places a cold drink between his legs and leaves it there for a prolonged period of time. Upon standing or moving, the chilled testicles brush or rest against the leg, causing an unexpected chill to temporarily overcome the victim. Most susceptible, are wearers of boxer-style underwear.