To fire all eight shots of the M1 Garand. It was a WW2 rifle that is seen in games such as Call of Duty and Medal of Honor. Particularly used when desribing firing off the last few shots to get a reload in a game.
The latency between host and client, measured in milliseconds. This refers to the time it takes for a data packet to be received at the other end.
BUT, in Counter-Strike as described in the Reaps Excuse book 2002, awarded best excuses of the year. This is an abused term to describe the reasons of death.
(Dead)Reaps: OMFG MY PING FS!
(Dead)Reaps: would have 0wnd you if I had cable honest.
Essentially, it is when you shoot your shot with someone. Just like in networking where you "Ping" to test the reach ability of a host on an Internet Protocol network where packets are not lost, a successful ping results in getting that girl with a fat ass you've been salivating over at the gym or that hot stud across the room you've been looking at since the quarter started.