teeth arm n. a military’s fighting troops, such as infantry, cavalry, and armored divisions. Editorial Note: Troops not in the teeth arm have supporting roles in technical, logistic, and administrative arms. (source: Double-Tongued Dictionary)
Further reading
A California listener shares a couple of pranks from her time in the U.S. Marines, where unsuspecting recruits would be ordered to complete impossible tasks. She remembers that newbies would be sent to retrieve a bucket of frequency grease or a...
Ryan, a wildland firefighter from Asheville, North Carolina, asked about bagger, a derogatory term for “a lazy or amateur firefighter.” The term likely comes from military slang, where bagger is short for dirtbagger or S-bagger, most likely deriving...