That one family member who is known to everyone else as retarded. While this may be the case, he prefers to be called shortbus instead of retard so that he thinks he is equal to everyone else. It also reminds him of his friends who ride the shortbus with him to the adult night school, at which he learns his alphabet. He likes to be called Uncle after not being one to anybody since he is an only child.
"Hey John, have you seen Uncle Shortbus lately?"
"I've got no idea of where he was last."
"Me will go down steps when me done changing my diaper like a big boy."
"Great job Shortbus, you changed your diaper, but you still smell like the turds were stuffed inside of your shoes."
"Sorry"
"It's okay, for now I guess."
by Uncle Shortbus January 23, 2019
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