only way would be to drain, ghetto way would be to put a hose and start sucking on one end and drop it the ground, let it pour out.
then sell off what you got out.
Like the episode of South Park "Simpsons already did it"?
SPAMMAPS
Carburettor|Nation
that mikey G guy is the biggest shit talker ive ever met..
in the space of 15minutes he sold two sets of wheels. claims a guy under the username DNT-CRY bought them!
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