fueled by the grape

Activities that depart from a person's normal (sober) behavior that take place after consuming an overabundance of wine.

Party Goer: "Wow, what's Marshall doing over there by the DJ? Is he disco dancing....poorly like he's in some weird time warp from the 70's?"
Designated Driver: "Looks like he's been Fueled by the Grape again"
Party Goer: "Cool."