Are you drinking Will Ferrell's sake, kemosabe?
The funnyman teamed up with his newly-pantsed partner, Christina Aguilera, to boogie down and show off their wickedly tight pants on Monday's Tonight Show. But uh no, here comes Jimmy Fallon -- the sitting wearer of the Tightest Pants -- ready to defend his turf.
Harsh zingers are exchanged. Pants are stretched out a bit. And the whole thing is capped off with a quick sample of "Circle of Life" from Xtina -- and, of course, some constricted jigging off the stage.