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One who eats his/her own penis or vagina.
John regularly blows himself, so he is a self-sucker.
by himher August 07, 2012
a guy who can suck more than half of his own cock. you have to be very flexible to do this!
last night, i watched jeff turn into a self sucker, and suck more than half of his 9inch monster.
by in luv w/ a guy frnd November 12, 2006