Angry at a cheating ex? Still didn't get paid back by that two-timing grub? Well, perhaps revenge isn't the nicest suggestion I'm going to make, but . . .
Sending an anonymous gag gift to a jerk who could use some plastic poop or fake vomit might make you chuckle and get back that dewy glow you lost from that fool!
If you're great with Photoshop, you could also get creative and make up a very suitable holiday card or just buy one like this funny one ($4).
Hey, if Santa is keeping tabs on who's been naughty or nice and you already have full witness that someone's been bad, why not help the big guy out? He's got a heavy load of work this time of year, or so I hear . . .