What is Sea Cucumber?
1.
An uncircumsized penis
Tim has a sea cucumber.
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2.
A man with a thick and (LONG) cock. Also may smell like fish due to non-hygenic person.
Frank has a sea cucumber, its nice, but FUCK it smells!
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3.
A long, massive terd that is set afloat in one sitting.
Dude, i just launched a huge sea cucumber! it was HUGE!
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4.
The disgusting sexual act of suckling another's prolapsed colon before it re-enters the body cavity.
Jim sea cucumbered John.
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1. 
Paying money for a vagina you no longer have access to. It's like selling your car and having to still paying the insurance even th..