rastclot Share definition Flag Similar to a bloodclot, commonly used by Jamaicans. It is basically the Jamaican way of saying an asshole or a jackass. That rastclot runnin' up in here like he know a dum ting. rastclot by NayNaystacksmoney October 29, 2009 0 0 Get merch Get the rastclot mug. Buy Now — $32.95 See more merch