Originating at the RC(Air)C summer course Survival Instructor Course, (6 week course) a Teamsmash is when a large group of Survival Instructors shit in one blue rocket (portapotty) on the day they are leaving on the bus after graduation day
F Sgt: Sgt you gotta totally teamsmash on your last day of SI this summer, carry on the tradition for me.
Sgt: that's disgusting but alright
Army Course cadet enters a teamsmashed portapotty
army course cadet: you guys are fuckin nasty man!
SI's laugh their asses off
A sexual position requiring a bucket of ice, a gag, and some icy-hot or related substance. You must first seduce the woman by rubbing ice on her nipples for an extended period of time while she is gagged. Then you must slap her ass repeaditaly afterwards rubbing icy-hot over the previously spanked are to increase burning.
I totall gave that chick the Upside Down Siberian Tear Jerker and she cried for over 30 minutes.