Search Result for "frag": 

The Collaborative International Dictionary of English v.0.48:

frag \frag\ (fr[a^]g), v. t. [imp. & p. p. fragged (fr[a^]gd); p. pr. & vb. n. fragging.] [by shortening from fragmentation grenade; ca. 1965.] (Mil.) To assault, especially to kill or wound, with a fragmentation grenade. [Slang] Note: This term became popularized when disaffected American troops serving in Vietnam were reported on occasion to kill unpopular commanders by the use of grenades. [PJC]
The Jargon File (version 4.4.7, 29 Dec 2003):

frag n.,v. [from Vietnam-era U.S. military slang via the games Doom and Quake] 1. To kill another player's avatar in a multiuser game. ?I hold the office Quake record with 40 frags.? 2. To completely ruin something. ?Forget that power supply, the lightning strike fragged it.? See also gib.