Time to get your passive-aggressive on!
shipadick.com

For a small price, send someone you know (or don’t know) a gigantic cardboard dick, with various styles from the simple penis to something a bit more Irish.
mailbricks.com

This site will send a brick to someone anonymously, and has discounts for Comcast, Westboro Baptist Church, the Capital building and has a Valentines day special for an ex.
shipyourenemiesglitter.com

The glitter site everyone knows and loves. Send an envelope of glitter to your enemy and cause havok in their life.
poopsenders.com
Don’t get mad,GET EVEN. Send that special some one a big stinky pile of poop.