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1.
From the South Wales Valleys (UK) where men go out for a night out on the town with the intention of picking up a lady in order to stay the night. This is usually accompanied by a toothbrush in their shirt's chest pocket.

sim. Paratrooping
Q: How you getting home tonight Dylan?
A: Don't need to boys, goin' Valleys Commando.
by Welshy_NZ October 15, 2013