A "jack frosty" is a unique dildo. The dildo is made by the male urinating in a condom, preferably a magnum condom, then the condom is placed in the freezer until the urine freezes. The female then uses the frozen urine filled condom as a dildo.
Caleb: Yo man, how was that girl you took home last night?
Aidan: Yeah, it was great, but she wanted me to do a jack frosty.
Caleb: Oh, thats fucked up.
Aidan: Yeah, it was great, but she wanted me to do a jack frosty.
Caleb: Oh, thats fucked up.
by Weed B Gon May 15, 2016