An enemy. Similarly, FOE can also be acronym for Forces of Evil, as used in many toy commercials which feature the line "defeat the Forces of Evil!"
Voldemort in Harry Potter is both Harry's foe and commands the FOE.
by TheForceofEvil March 28, 2014

by Futurefoe April 28, 2006

Stands for foot odor, used to describe a woman wearing open sandals, flip flops, open house slippers and her feet having a bad odor.
Her feet smell vile. She's a FOE.
by SweetCupcake May 21, 2013

by JohnnyMize April 10, 2003
