(n) 1. when a male's sexual partner performs fellatio on him and spits the resulting excretion into a fondue pot filled with dark chocolate, allowing the two substances to mix together; the two partners then consume the spunk/chocolate mixture;
(n) 2. for bonus points, the male will dip his penis into the mixture and request another blowjob; this method is referred to as the "double dip".
Person 1: "Hey, I heard Jamie gives great Swedish hummers!"
Person 2: "Yeah, totally. It was hot."
Person 1: "Man, my girlfriend gave me a Swedish hummer last night. It sort of hurt but it was awesome."