When at a party, a strangers house or a random RV. Taking a shit onto a cookie sheet and putting it in the oven on medium heat. The smell won't get out of that room/house for several days afterwards
When a player is destroying your base and you are destroying your opponents base at the same time in Starcraft 2.
The player to kill off all the enemy buildings first wins by default.
Guy 1 : Dude come do some 2v2 with me
Guy 2 : Sorry dude, got a heated base-race going on, i'll be there in a minute