Hmmm, maybe that was why a particular friend always used an infantile vocabulary... yet I I never related it to kink.

Wa-Wa and tinkle were two that she commonly used.

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I'd suggest that the answer to your question relates to whom you are with and what you are doing. Are you home or at work? With colleagues or friends... and if friends, what level of friend?

I think the answers are self-evident and unique to each situation for each person who would ask themself the question.