The act of Liking your friend's status on facebook as a show of thanks for them liking yours. This can also be done with people you don't know who like your status and or links or other posts. People could also refer to this as just Facebook Manners.
"____ Likes your status."

Your Friend: "I didn't know you were friends with ____?"

You: "Oh, I never talk to them. I'll just Like-Tag their page and we'll call it even."
by Humbleprump November 18, 2010
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The act of engaging in sexual relations with an unsightly woman while she is asleep or pretending to be dead…preferably in the middle of a dark country road at night
Last night I drove by a passed out homeless chick on my way to the mountains. I pulled over so I could tag her like a possum.

or

Everytime I see you without makup sleeping on the ground, it makes me want to tag like a possum.
by Dashboard Light August 21, 2012
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A term used when ones enemy is injured drastically. Implying injury or attack. The snake > the fiddle.
Wetdog (-*-) exlzzghost
Wetdog (-*-) eshawn
ew4r |=- Wetdog

(dead)Wetdog: OMG HES TAGGED LIKE A SNAKE ON A FIDDLE
by lawlerskeetskeet July 15, 2006
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