The act of going from being a couch potato to an active person who likes to exercise. Cactive takes the word "couch" and "active" and mashes them together to make the word "Cactive."
She used to be a total couch potato, but now she's so cactive!
He used to hate exercise but last week he decided to go cactive.
How did she get in such great shape? She went totally cactive.
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.