236 deviants said Ignore it, anything feeds their flame.
156 deviants said Mark comment as spam and block the troll.
56 deviants said Reply with a lone smiley face or just say "Thanks." Keepin' it simple.
37 deviants said Reply in all caps about how you nipples are bleeding or something equally as random.
29 deviants said Reply in a defensive manner.
10 deviants said Go through their entire gallery and comment on every picture in their gallery with a copy paste of what they left you.
10 deviants said Cry.
9 deviants said Draw a comic about it to vent.
4 deviants said Leave a comment on their wall/write them a note, saying they are very rude.
3 deviants said Post them in your next journal and talk about what a dick they are.