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
Get the Union Card mug.A phrase, coined in the series The Sopranos, referring to performing homosexual acts with tradesmen and other various construction workers.
"Ah Christ, is Paulie really fucking hooking up with a goddamn brickie?"
"Yeap, he's greasing the union."
"Yeap, he's greasing the union."
by derangedcatboye June 7, 2024
Get the Greasing the Union mug.by anonymous March 9, 2022
Get the Southern union mug.