T'pol was 100 years before Spock, and Spock was trying to fit in by participating in the campfire thing.
That would be a scene too daring for any Star Trek series. The crew sits down to dinner with representatives of an alien race. When the food is served the aliens start putting it down their pants. Noticing the awkward looks they're getting, one of them says, "What? You don't expect us to stick our food in the same assholes we talk with, do you?"