Somebody who feels comfortable whilst in the home enviroment, and rarely leaves the bounderies of their property. They may feel preasured to communicate, or may simply feel repulsed by the freedom in which other people mix and intergrate. Others see them as "boring" or "drabsters," with Glibster a modern definition of a Humdrum.
Check Mike over there chilling with the same 3 people he has done since Pre- School, is that guy Humdrum or what?
Sex game usually played by gay men where one goes down on the other and has to make him come but dodge it and not get any on him, thus escaping the humdrum.
Hey Chris I'm in the mood, let's goescape the humdrum!
It is said of the situation where a person has the bad luck to make contact with his testicles against an undefined surface or object, intentioned or not.
Given the nature of the word, it is more appropriate to design cases where the interaction is made with a moving object, for example, a ball.
Although it is extremely painful for the victim, it tends to be considerably funny to people who witness it.
Today in the baseball game the pitcher took a nutshot; the baseball hit him in the nuts.
Man, I just watched the funniest nutshot video ever.