look up any word, like blumpkin:
 
1.
A condition of being or becoming flaccid during a crucial sexual juncture. Otherwise known as not being able to get it up.
Brian was hoping to get it on with Alexandra that evening, but in bed later that night he instead had to deal with a disappointing case of shock cock.
by Noah March 24, 2004
 
2.
Surprise sexual encounter - male partner didn't know it was coming.
After buying her dinner last night, Dawn gave Lee a shock cock.
by gotchatlc November 27, 2010