look up any word, like blumpkin:
 
1.
The inability to argue a correct viewpoint because the opposition has their cock in your mouth
You can't argue with me due to the Cock in Mouth theory. Now go deeper...
by JR Page December 08, 2006
 
2.
When a chic cannot talk because she is sucking on a dick.
"She can't talk at the moment, she has cockin mouth real bad"
by sliqdude January 28, 2009