A thudder is an enormous
cock! Generally dressed to the side and causes problems when wearing anything shorter than
knee length.
Its called the "Thudder" due to the noise it makes when it hits a
hard surface (which due to its size is very often)
Ben and Mike standing at the Urinals (Ben is sneaking a look at Mikes
cockBen: Hey Mike look at the size of my
cock
Mike : zzzzzip, "THUD" *splash*
Ben: Oh thats why they call it the thudder
Mike then wakes up and realises the thudder
dream needs to be let go!