1 definition by Finz2008

G-5

G-5 refers to, and is short for, the Gulfstream 500, which is a private jet aircraft. (from Jesse McCartney song Leavin')

G-5 The Jesse McCartney song Leavin' says "Girl we flyin on a G-5, G-5"

by Finz2008 July 11, 2008