When you wrap a playing card or other thick cardboard around your penis before sex to achieve supplemental girth. When inserted, the card is part of your “union” with your partner, hence, union card.
by Teamster954 March 26, 2021
When you wrap a playing card or other thick cardboard around your penis before sex to achieve supplemental girth. When inserted, the card is part of your “union” with your partner, hence, union card.
by Teamster954 March 26, 2021