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Defenition 1: A common gaming term used to describe a Ranger's ability to maneuver his way out of dangerous situations or the ability to "train" several creatures through a zone.

Defenition 2: Gaming term used to describe the way a ranger captures his healer's heart and affection.
Did you see the way that ranger gassy'd that zone?

He gasisna'd that mob causing them to follow him through the whole zone.

When you gasisna a zone, it is important to do it while invisible and your group mates are on auto-follow.

With one glance he gasisna'd, naci's heart.
by Barbibear August 29, 2010
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