A father and a son both have the same big birthmark on their butt. Believing that the two birthmarks are connected, the son scrubs his father's birthmark to remove it—but he just can't get rid of it.
2016
2008
1998
2014
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2023
1953
2011
2020
2007
2013
2009
1984
2021
2019
1943
1975
1979
