When you use your penis as a mallet and hit a gong to make a makeshift vibrator using the vibrations of the gong.
by Hampture April 19, 2021
Get the Gong Dongmug. by Lifithellama September 7, 2016
Get the talya fama llama ding dong dolan garrixmug. by Sir Jesus Christ March 22, 2005
Get the Plop my dongmug. by Peterfile July 25, 2015
Get the dong neckmug. by lovelace66 October 16, 2020
Get the dongedmug. 
