A holiday sex move, when dirty hot sex has been going on for a long period of time, raising the body temperature of the man in turn raising his semen temperature. He nuts on the womans chest, thus a roasting chestnut.

When you eat dirt for the first time and leave your family to build a shack in the woods

A classic holiday sex move, one person fills their mouth with the hot sauce of their choice. The male partner then proceeds to tea bag their partner's hot sauce laden mouth until his nuts are ablaze. Said partner then rubs his roasting nuts on their chest until climax henceforth screaming "Happy Holidays ya filthy animal."