slammed Share definition Flag 1. to be heavily intoxicated or under the influence of alcohol. 2. An automobile that has been modified in such a way as to lower the suspension. 1. Shit man, I'm slammed. 2. Damn that shit is slammed. slammed by Da Gooze July 30, 2003 0 0 Get merch Get the slammed mug. Buy Now — $32.95 See more merch