The intimate act of shooting a load onto your partner's back. When you leave to get a kleenex to wipe it off, you intentionally leave the load there for an extended period of time. Turning the load cold, as well as the cold sentiment of abandoning your partner when they trusted you.
I gave Judy a Hot Frosty, and now I'm sleeping on the couch.
The sexual act where a man secretly rubs hot sauce, curry, or other zesty concoctions onto his penis before having sex with a single mom/widow in her small hometown during the holiday season, most notably Christmas.
I thought he really cared about me, but after Tito gave me a Hot Frosty I knew it was over.