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The flap of skin between yo nuts and your anus.

SPA-ce B-etween your B-alls and A-ss

See chode
Pavey is a total fucking spabba.
by Balls April 01, 2003
The area between the back of a man's scrotum and his butthole.
Jeremy woke up this morning in amazement as he felt his girlfriend gently tonguing his spabba.
by Snizake February 01, 2007