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Putting ones scrote on a large bass speaking whilst listening to a remix of any Adele song until you ejaculate.
Last night I bassturbated so hard it measured 9.7 on the richter scale.

Gerald - 'Last night, i had to bury my pet dog Gravel'
The Boss - 'What happened, Gezza?'
Gerald - 'Bassturbation'
The Boss - 'I lost my infant to that, no wait.... i stabbed him in the face, never mind'
by TWC.TV March 16, 2017
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