A body type of someone that gains muscle easily, is bursting with muscles, loses fat easy, has a V shaped back, thick skin, large penis and a tough jaw. Can throw around ectomorphs like rag dolls.

Typically a very sexy body type. Women that don't want a vegetarian-anorexic-looking ectomorph like these types.
Famous mesomorphs, Vin Diesel, Arnold Schwarzanegger, Bruce Willis, LL Cool J and Optimus Prime
by mesomorphian August 30, 2010
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A person that has stocky (muscular) legs and a small upper body (pear shape), or vice versa.
E.g. Brad pitt is possibly an ecto-mesomorph look-alike
by bluxxy October 3, 2013
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