The act of giving hate to short people. It’s like homophobia except your not afraid of short people, you just don’t like them. it’s extremelydisrespectful.
“hey look at chad! he’s 4’10. loser!”
“dude, that’s shortism”
An irrational belief that acting like an ass might somehow improve ones stature among his or her peers, but such antics usually diminishes that person in overall size.