When you do something wrong/bad and your girl catches you (used among football jocks) someone in conversation can reply by saying thats a (5) (10) or (15) yarder to give the other person a sense of how bad he screwed up
The strangely important goal of one spartan elite in a CTF match in the FPS game Halo. It can be either the colour red or blue and when picked up can be used somewhat effectively as a large stick to beat on fellow players.
Teacther: Pleeeeeeeeeeeaaaasssssssseeeeee stand up for the pledge...my son is in the military!
Me: Dude, its a piece of cloth...not your son... cill out.