Mirv

root@torgue-db:~$ cat description.txt

A standard Torgue MIRV grenade that splits into several smaller grenades on detonation. The exact child count depends on the parts rolled on the drop, and each child uses the grenade's listed base damage, so total damage rises with the number of splits.

root@torgue-db:~$ cat notes.txt

MIRV stands for Multiple Independently targetable Reentry Vehicle, a missile design that carries several warheads.