someone who believes that a diet is good idea and yet they never lose weight. Hmmmmm what’s going on there hey? They are a dumb diet because they eat the things that are opposite of the diet.
by DumbDiet123456789 March 11, 2018
Get the dumb dietmug. by Yo mi name John March 26, 2019
Get the Dumbmug. Why are you looking up what dumb is?! That's what you are shouldn't you know that you stupid piece of crap?!
by IrishMan4265 June 8, 2018
Get the Dumbmug. Bex seriously just walked into that glass door for the 10th time today... that’s a dumb whore move if I’ve ever seen one!
by Wafflez02 May 18, 2020
Get the dumb whore movemug. by katie.batie August 13, 2024
Get the national dumb bitch daymug. 
