Mat day

Mat day (spelt as: Mất dạy) is a Vietnamese insult used to labell an individual as an asshole.
You all are mat days you arseholes!
by Kit Rat August 07, 2016
mugGet the Mat daymug.
Jan 20 is when you can bop your eldest child on the head with a yoga mat, cause they deserve it.
Hey today is Jan 20, you know what that means? It’s national bop your eldest on the head with a yoga mat day!
by Y0UR_L0C4L_G4M3R November 14, 2020
mugGet the National bop your eldest on the head with a yoga mat daymug.