A KFC stiffy is a great big stonking hard on brought on by the consumption of a whole bargain bucket of KFC.
"shit ive got a stonking KFC stiffy"
"i had a bargain bucket last night and my god did it give me a KFC stiffy"
"i walked into KFC last night and just the smell gave me a KFC stiffy"
"i had a bargain bucket last night and my god did it give me a KFC stiffy"
"i walked into KFC last night and just the smell gave me a KFC stiffy"
by fun KFC man January 24, 2010

by Professor Buttmunch September 1, 2006

The stiffie a man gets when talking about a boring topic that only excites him.
Also the boner a man gets while discussing his male mentor.
Could refer to someone talking about their experiences on the USS Stockham.
Also the boner a man gets while discussing his male mentor.
Could refer to someone talking about their experiences on the USS Stockham.
"Talking about the human visual model gave the professor a stockham stiffie."
"As the man recounted his early years of training with his famous mentor, he got a stockham stiffie."
"As the sailor talked about his experience on the USS Stockham, he got so excited he developed a stockham stiffie."
"As the man recounted his early years of training with his famous mentor, he got a stockham stiffie."
"As the sailor talked about his experience on the USS Stockham, he got so excited he developed a stockham stiffie."
by Robert Trebor October 7, 2007

boy 1: man I fucked this girl Saturday and she gave me some wet-stiffys.
Boy 2: Lucky bastard
boy 1: yeah I'm that pimpin
boy 2: ahhhhhhhhhhh
boy 1: skeetttt
Boy 2: Lucky bastard
boy 1: yeah I'm that pimpin
boy 2: ahhhhhhhhhhh
boy 1: skeetttt
by kayleen....seli May 6, 2008

use of an already large and erect penis making it even more larger and more erect. How? i don't fucking know
my boy im about to erect-a-stiffy
by penisman4273 January 23, 2023

by El ritardo June 24, 2018

Sitting in the classroom the teacher shouted over to timmy
Teacher: " Timmy come and write the answer on the board"
Timmy began sweating nervously as he had case of the awkward stiffie
Teacher: " Timmy come and write the answer on the board"
Timmy began sweating nervously as he had case of the awkward stiffie
by Rooboy222 September 20, 2009
