Noun: In Gears of War multiplayer, an action that involves equipping your Lancer and following an unsuspecting foe's every move for at least fifteen seconds and finally cutting the poor bastard in half once he stops.
ChefDog: (to teammates) Don't kill the drone, he's mine
Ymecca: You're right behind him, whip out the shotty and blow him to bits
Bigguy2: (to ymecca) Shh. He's chainsaw stalkin him. (ChefDog cuts drone in half as he picks up the boomshot
Dude.
I had a limb hanging over my roof, and I couldn’t reach it to remove it..if only I had a chainsaw on a stick. I cut cut that rascal and drink me a beer.
A trip to a grocery store, convenience store, or gas station for the sole purpose of buying an excessive amount of junk food and sugary drinks, usually with friends. A chud run often happens late at night and ends with everyone involved hating themselves afterwards.