Last name given to one who is dreadfully Irish. Normally redheaded, very attractive, and inclined to drinking as often as possible!
Hide the beer, McGaha is here!
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1. a tubby ewok looking merf from alabama who doesn't shut up
Jesus! Quit being such a Mcgaha, BENNY!
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The rate of marching at which the individual marches with such swagger that it can barely be contained. Mostly seen during formation marches for ROTC. The user of such technic is usally one of great status and a "true G" and most likley a Pokemon Master.
"Dang son get it with that McGaha March"- ROTC cadet