Koko “knows”

Caption: Penny asks Koko what the sign is for “nosey people” and Koko responds by signing a prolonged “nose.” Koko knows that “nosey” means wanting to know more than one needs to know about another’s affairs, and calls people on it when the’yre being particularly nosey (by signing “nose” with a wiggling finger), whether it’s directed at her or those she “knows.”