placing your balls above the waist of trousers but beneath your tshirt, and then lifting up your tshirt to reveal your balls to random strangers whilst shouting "plong"
by Harrrrryyy06 August 22, 2010

"Man your such a plong!"
by Neal Clarke May 14, 2008

by Felix_T May 14, 2008

by Steven is thicc May 05, 2018

by ZJRB February 01, 2021

That poo was so plong
by LukeWarmMop September 09, 2023

by dingding223 September 30, 2022
