A method of determining the size and weight of a given substance, commonly used as an alternative to scales or by eye.
Jeff: Hey man, you put that ginga on the scales right? You better not have done it by eye.
Paul: Nah bro, I did it by cock!
Jeff: Diiiiiiis cunt!
Paul: Nah bro, I did it by cock!
Jeff: Diiiiiiis cunt!
by 4444444474 November 4, 2009
 Get the by cockmug.
Get the by cockmug. by Skapunkmonk September 19, 2004
 Get the Cock Itmug.
Get the Cock Itmug. The scientific name for cock is dick.
by Don't Be A Richard June 27, 2014
 Get the cockmug.
Get the cockmug. Before I stuck my rough, bent-up COCK into her vagina, I was certain that I would hit her G-spot on every thrust.
by MrRoughBentUp July 25, 2003
 Get the cockmug.
Get the cockmug. by Dinfindandong February 28, 2022
 Get the COCKEmug.
Get the COCKEmug. 
