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by Spinksy November 4, 2007
by Hamburher April 20, 2020
by G-Union May 12, 2003
by Luca1770 September 4, 2017
by GSBRJB January 22, 2008
Boing is used to describe your penis penis from going soft to hard in a very short amount of time due to seeing something sexy such as grace robbersons newest picture on Instagram
Boing!
by Lil Hecti March 8, 2018