Split the group in to teams and hand one player some marshmallows and a stack of cards with words and/or phrases. The player will have to put all the marshmallows in their mouth and within a given time limit try to say as many of the cards as they can with their teammates guessing correctly what they have said. No chewing, no swallowing, no gesturing. Most correct guesses wins.

Scoring is, as always, completely arbitrary, you can award only the winning team or award points on a sliding scale from most to least. Decide how you wish based on the number of players.

This is probably not one for the kids, at least not as the person reading the cards. Make sure the player understands they will be shoving marshmallows in their mouth, the number of which, I leave up to your judgement.