A person that doesn't flush the toilet in a public washroom after pooping, so they can show the world their work
Poopshibitionist : Johnny the pooshibitionist was so proud of the diameter and length of the loaf he pinched, he didn't flush so that the next person would be able to see the grandeur of his efforts.
by Jmanus July 18, 2018
A potent, mutated form of testosterone found typically in New Jersey males which results in mutations such as silly spiked hair, orange skin, and lips puckering. Sufferers of guidosterone also tend to abuse anabolic steroids and wear clothes too small for them.
Whoa, look at that Guido over there with the bottle of grey goose, he's all hopped up on guidosterone. What a douche.
by Jmanus June 05, 2010