In article ,
"HeyBub" wrote:

Contrast this with
"The crack-pipe was found in the teacher's pants - the teacher's a
crack-head!" The first is a singular possessive, the second is a
contraction.

And speaking of contractions, the one that's annoying the crap out of me
lately is "would have" shortened to "would of."

Stupid people should be beaten to death with blunt objects.