A staunch, steadfast person. Commonly refered to as a 'stiff.'
My teacher would not accept my homework, he is a real stiffington.
by HawtSauce October 5, 2006
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A Joke name used in crank calls that insinuates a man with an erection. Name first used by Richard Christy and partner Sal the Stock broker of the Howard Stern Show
Hi I'm Rod Stiffington do you have any cumquats for sales?
by Wayne Slappy October 20, 2015
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A penis that is in the erect status.
Mike," Why did you change your facebook name to Rod Stiffington?

Marc," Because i constantly have a boner!!
by meatcurtins July 14, 2010
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A cocktail, usually mixed in two 16-oz solo cups, which is made strong for the sole purpose of drinking oneself retarded. Also referred to as a "stiffington" or "stiffy" for short.
I can't wait until thursday so I can pick up some captain's and just rip stiffington bo biffingtons all night.
by stiffington b. biffington January 22, 2009
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