Karma Pimple
When a Mosquito (or another bump making insect) bites you on the face after you just made fun of someone elses acne.
Bethany:Eww look at that huge pimple on your face,you could signal batman..too bad your face will never be as smooth as mine!
Katie:Shut up! Bethany! your a douche!

Bethany:oww a mosquito!
Katie: ah ha! it hit ur face...thats ur karma pimple