-to outdo someone to the point of humiliating defeat and shame. Gary Oak was the primary rival of Ash Ketchum. Damn Gary Motherfucking Oak, while you have your measly 6 badges he has 8.
guy 1: yo I got that sexy girl number last night
guy 2: damn son I got her number and hit that 2 weeks ago
guy 1: Damn Gary Oak'in me
by Gee Word February 21, 2012
Get the Gary Oak'in mug.