An ancronym for We Eat This Sh*t Up (pronounced wet-sue), meaning we are gung ho and highly enthused, used in the Army in the Vietnam era, usually while running PT (Physical Training)!
How are you men today?
W.E.T.S.U., Sir!
That's what I like to hear; let's run another 2 miles, then!!
by Miami Joe August 31, 2007
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