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1.
A person with the occupation of polishing the heads of dicks.
"Call a cromer, I need to be cleaned!"
by PoopSloop October 20, 2009
 
2.
Contraction of Cro-Magnon, used to describe a dim witted or stupid person with a large forehead.
Did you see that guy hitting on Sally? I thought that he was a sasquatchaloid, but with that big forehead, he must have been a cromer.
by Big Tilly April 03, 2007