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1.
Latin term meaning "Skin" and some interpert it as meaning people that have large masculin organs
Hey! your dermer is freakin huge!
by Josiah Barlett August 17, 2006
 
2.
noun: a lazy, unreliable person.
adjective: being generally lazy, unreliable, and flaky.
Josh is a complete dermer.

That guy is a dermer.
by bobby_peel March 01, 2011