little dog-like aliens in Halo that is used as cannon fodder.  since they are cowardly from their small size it is fairly humerous to kill them in mass.
by Crazy Carlos February 18, 2004
 Get the gruntmug.
Get the gruntmug. by yo mommasa pimp May 2, 2006
 Get the gruntmug.
Get the gruntmug. by SemperFi May 13, 2005
 Get the gruntmug.
Get the gruntmug. by Jimmy Staycox August 3, 2003
 Get the gruntmug.
Get the gruntmug. It is sometimes common for military spouses to "entertain" while their husbands are off training.  
Example: The woman grunts when she has Infantrymen over after dinner.
Example: The woman grunts when she has Infantrymen over after dinner.
by Whitedevil82 July 21, 2005
 Get the gruntmug.
Get the gruntmug. The weakest of the Covenant, also the cutest ^-^
by Dirge January 30, 2005
 Get the Gruntmug.
Get the Gruntmug. 