a overly muscular male, usually possessing a thick neck. The neck and muscle development may have occured in confinement. However, confinement or incarceration is not a necessary requirement to become a thickneck.
The Terminator, Stephen Segal, The Rock. All three of these men are thicknecks.
by Trogdor September 01, 2004
A thick neck is a person who has a huge freaking neck and is a bastard child who in the hall ways pushs u into a locker cause he is a motherless bastard child.
That jock is a thick neck and he pushs me into lockers i am not sure what his name is cause he is mister sarcastic bastard.
by devin September 08, 2004