variation of words like "dumbass" "dumbfuck" and "dumbshit." Means someone stupid or someone who does stupid things.
"Why did you call the cops, dumbcrap?!"
by Laurie March 21, 2005
An onamatopeia for the noise an old steam engine makes.
(The American Heritage® Dictionary of the English Language, Fourth Edition)
(The American Heritage® Dictionary of the English Language, Fourth Edition)
by Laurie August 23, 2004