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1.
The layman's term for the appendage that controls closing speed of the cover of the rectal sphincter.
After a hard night of cold beer and tacos, Craig sprained his flabbergibbet and missed two days of work.
by alatoolmakeremt May 21, 2011
 
2.
noun: a medical term for the appendage that controls the closing of the rectal sphincter covering. Especially useful after emissions of methane buildup.
Craig sprained his flabbergibbet after eating 14 tacos and now suffers from anal leakage.
by toolmaker May 06, 2011