Many sample phrases from Cards Against Humanity are too disturbing to print here, yet it's become hugely popular—among couples getting married. The card game was the no. 7 most-requested wedding gift item on Amazon last year, the site has revealed. How does it work? Well, it's a lot like Apples to Apples, notes ABC News, except way more vulgar. Cards feature a phrase or question which players must answer or complete using their own cards; the combination results in some very offensive stuff, Businessweek reports. (Your hand might include "Stephen Hawking talking dirty" or "a mime having a stroke".) The funniest combo wins.