the inverse relationship between the size of a man's vehicle and the size of his penis.
Another dude in an H2, definitely Hummer Syndrome. Man why doesn't he just get a bumper sticker that says "I'm compensating for my small dick".
by Scoats May 12, 2003
I want something new, but what am I supposed to do about you? I love you, it's true.
I'm stuck in this job that I love, but I can't help wanting to get out of it because it's destroying me - I've got Hummer syndrome.
by bloodylucid May 9, 2011