From the "Wasn't Expecting to See That Today" Department, it's Doris Roberts, aka Everybody Loves Raymond's mom, busting out a shoryuken.

I don't mean "an uppercut"--I mean a SHORYUKEN. It's from the forthcoming, sure-to-be-best-picture nominee Aliens in the Attic and the action starts around 1:25.

Thanks to Nytetrayn for pointing this out