The noise one makes at the end of a particularly satisfying stretch.

The typical stretch that leads to a Nuuuurg is usually a Sunday morning stretch where you have woken up naturally after a very fulfilled sleep. The noise is sometimes involuntary, however also can be called upon to achieve that extra bit of satisfaction from the stretch.
sleep.............................. eyes open...................wake... stretch stretch stretch stretch stretch stretch Nuuuurg... ahh!
by Chaucer Dan November 8, 2013
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