Top definition
n. One who exemplifies expert skill in annoying, angering and perturbing others whilst remaining in complete denial of their own actions.
What a jerkapotomus; Lena has been playing that Devil Music all day!

Whenever she see's that dude she's into, Mike, she turns into a jerkapotomus to everyone else.
by Pearljamfan1977 October 26, 2011
Get the merch
Get the jerkapotomus neck gaiter and mug.