In the context of War , a Frag is commonly known as an assassination of an unpopular member of one's own fighting unit, by dropping a ''fragmentation'' Grenade into the victim's tent.
A ComputerHard Drive is said to be fragged (short for "fragmented") if a large portion of its files are not contiguous (those files are also fragmented). '''See Fragmentation '''.
'' DC Comics '' character owned Lobo uses frag grenades, and the word "Frag" as a subsitute for cursing.
In aquarium trade, particularly when reef aquarium is involved, a frag is a small fragment of a living Coral separated from a larger colony for asexual propagation. Frags are frequently glued down to small pieces of substrate such as reef plugs for better display and easy placement in a reef tank. A coral colony is said to be "fragged" when it is completely broken into smaller fragments. A frag might not be representative of a shape of a mature colony.
It is also a pungent form of cheese made in Liverpool.