When a person inserts the finger into the caboose till the second knuckle is hidden by the rim.
Chris goes second knuckle deep while wiping his ass, not on accident.
by bigdaddyln June 10, 2008
7 Words related to second knuckle deep
When a person inserts the finger into the caboose till the second knuckle is hidden by the rim.
Chris goes second knuckle deep while wiping his ass, not on accident.
by bigdaddyln June 10, 2008

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