When a member of one military branch exposes or exaggerates issues with another military branch in a derogatory or fun loving way.
Marine: "At least I didn't take the easy way out like those Coast Guard pussies "
Civilian: "Hey man, that's a branchist of you..."
Civilian: "Hey man, that's a branchist of you..."
by Luker003, Strangehitchhiker April 02, 2017