Nahom

noun:

A person who posts or comments on Facebook without realizing what he wrote or without realizing the context or meanings of his words.

Boy: Beat my teacher in a game of chess.

Nahom: You only did it cause your teacher became 4 inches shorter

Boy: WTF

Nahom: He=Teacher

Boy: ???

Nahom: Went to the school dance, #chilvaryrules

Boy: Do you even know what *chivalry means?