Is "Taking margaritas in the folly" a euphamism?
( Halk, Thu 10 Apr 2008, 2:23, archived)

Yes.
It's the gentleman's way of saying "I was inserting a cheeky little finger up her wrong'un"
(bennyhillslovechild A walking jam-jar and syringe, Thu 10 Apr 2008, 2:26, archived)