When your penis is large enough to be tucked under your balls thus looking like your penis is holding your balls in a basket
Shane: Hey look at my penis it totally makes a St. Mary's Cradle .

Thomas: Put it away you fool, there are women here!
by Crazy fish May 5, 2014
Get the St. Mary's Cradle mug.
When your sleeping after sex and your guy still got his dick in you.
"Damn those teens are Weiner cradling again Sheryll!"
by The Cradler September 24, 2023
Get the Weiner cradling mug.