Top definition
A cramp in the sphincter ranging from a light pucker to a full on chute constriction.

A feared person who causes your sphincter to pucker.

A tight wad.
All that diarhhea made my anus cramp, man what a bad proctospazm.

Every time I see that proctospazm it makes me nervous.

That dude didn't pay his share, what a proctospazm.
by 3dPulP March 02, 2010
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