Noun: A nipple. Particularly on a woman however, this term could be used for either sex.
Can often times be sensitive and becomes erect when aroused, similarly to a clitoris.
Plural: titty clittys.
1. I'll get things started by tweaking your titty clitty.
2. Damn girl, you must be cold! I see those titty clittys trying to poke holes in your shirt.
when you're holding up your phone and making faces at it, as though you are taking a selfie, but you're really taking a picture of the person across from you or the wall or anything else that seems interesting but you don't want to be caught dead taking a picture of.
This action is often made more convincing by wiggling the eyebrows or opening the mouth, to pretend you're trying to get a Snapchat filter to work.