Top definition
To 'have' ones banjo string snap while 'banking' one 'within' a girl (or boy).

A case of St. Swithin

Origin
St. Swithin (or more properly, Swithun) was a Saxon Bishop of Winchester. He was born in the kingdom of Wessex and educated in its capital, Winchester. He was famous for building churches as well as enforcing circumcision within his congregation.
Hey up, my penis is leaking puss after I was Havin-swithen-bank, I need to wrap it up.
by scampy the dog December 13, 2010
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Jul 28 Word of the Day
to sport a boner, fly the sail at full mass, rock hard, etc.
"I had a lot of cartoon characters that used to get me sexually aroused as a kid... The female reindeer from the Rudolph claymation series, when I was in preschool, I used to be bricked up watching that shit." -Jack Harlow
by real_philly February 11, 2020
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