What is the meaning of Frag?

A fragmentation grenade.

A successful kill in a deathmatch game. A point or score (when considered collectively) gained by successfully killing opponents in a deathmatch game.

To deliberately kill (one's superior officer) with a fragmentation grenade.

To hit with the explosion of a fragmentation grenade.

To kill.

singular imperative of fragen

first-person singular present of fragen

woodland strawberry plant, Fragaria vesca

a frag

strawberry (fruit, achene, akene)

soft mutation of brag

Source: wiktionary.org