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.
A trip to a grocery store, convenience store, or gas station for the sole purpose of buying an excessive amount of junk food and sugary drinks, usually with friends. A chud run often happens late at night and ends with everyone involved hating themselves afterwards.