1) a state of fluidity that ignores all obstacles and fills any space infinitely. See jello
2) laughing so hard over something, possibly imaginary, that you wet your pants, have a slight feeling of euphoria (likely from hyperventilation), and everyone around you thinks you're clinically insane.
Jello is neither a liquid nor a solid. It is forever liquifinious.
I feel liquifinious after smoking all that pot. For some reason, my seat is really wet and warm.
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.