Pictures of babies often, newborn and not taken with any effort, sent without solicitation.
No one wants to see pictures of your baby, if we wanted we would ask.
Just don't.
"Did you see John had his baby ? He sent us some pictures on the group chat."
"I saw, I left the groupimmediately. It is not okay to send unsolicited baby pictures like that."
The unwanted/unexpected insertion of a finger into someone else's butthole. This may be attempted on an unsuspecting person regardless of their state of dress. The aim is to attempt to stick one's digit as far as possible into another's butthole before they have time to clench/react.