"mf" is used on the net, especially in multi-player game rooms, as a mode of addressing someone - even though you never talked to that person ever before.
-"Hey mf, wanna play one?"
"three fingers" (3 fingers) :
Term used to describe the action of pressing the ALT-CTRL-DEL keys, all at same time, on a computer keyboard, in order to get to the screen where you can shutdown programs that stop responding.
PC Novice: "How do i terminate this program?"
Tech Support Guy: "Do a '3 fingers', select it from the list, and click "end""
short for "Budweiser"
Budweiser is the most popular cheap American beer.
to police officer after he pulls you over for driving like a maniac: "I cant be drunk... i only had 1 Bud"