The word is derived from the words "man" and "boobs". It occurs when a male is overweight causing the extra fat in the chest to look like a woman's breasts. It can also be caused by a man being extremely muscular causing his chest to enlarge to a point where the area looks like breasts.
by Pancake Knight July 25, 2017
Get the moobsmug. Oh my gosh look at his moobs
by That Hockey Kid September 27, 2014
Get the Moobsmug. by frenchykpinga October 31, 2011
Get the Moob Brownmug. 
by Hiitshaylo March 21, 2022
Get the Mittes or Moobsmug.