Heightism: A belief that height is a potential measure of human traits, capabilities, or intellect and that height differences produce an inherent superiority of taller individuals.
"Does that 5'3" fool really think he can whoop that 6'4" 280lb man?"
“Short guys are annoying”
Discrimination against people of height. A set of attitudes and behaviors that act out or seek to reinforce that discrimination. The different treatment of people on the grounds of their physical stature. The belief that people of different physical statures are fundamentally different.
A set of pseudoscientific theories that seek to give validity and credibility to that discrimination.
"That little b*gger".