Pfft makes your character 'pfft' to someone. If the command is directed to a certain person, all people in the room will see you pfft this person, and the person in question will see you pfft to them.
EXAMPLES
"pfft"You: You pfft. Anybody: Trillian pffts."pfft to Marvin"You: You pfft to Marvin. Marvin: Trillian pffts to you. Anybody: Trillian pffts to Marvin.