First time I saw /tantrum I almost freaked out! That is the most disturbing emote I 've ever seen.
Planking! I also thought /em Swoom was pretty funny! Heck, I pretty much loved ALL the emotes.
I can't remember his name (and I feel terrible about that, but it's escaped me for 2 days now), but you could add whoever that guy was that had those funny one-sided phone conversations.
Ascendant?http://paragonwiki.com/wiki/Ascendant-O%27s
Pausing during the Frostfire mission to skate and slide around in the "ice ramp" room.
Badge runs (of all sorts), speed TFs, all-AT TF's.GM hunts.Announcing you were "About to talk to the Latin Student. Anyone want in?"Fire unicorn Cave AE farms.Passing the Star."For the DEBT Badge!"
Wow, these are all great. My favorite emote was e/research. And "All Blaster ITF forming, pst for invite". Or all Storm Controller ITF. Now that was epic.