A smallunit of length, based on the metre, there being 100 centimetres in 1 metre. Abbreviated to cm. The width of an average man's finger nail on his little finger is usually 1 cm.
The doctor measured the boy and he was 147 cm tall. The boy was pleased as he was 1 centimetre taller than he was last year.
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.
FRIEND A: "Did you just take a stealthie of me?"
FRIEND B (turning phone around): "no I was just using snapchat's new filter, see?"