n. (abbrev. fruit + tube) obscure yogurt snack in an "easy-open" flexible plastic tube. sent under because it foolishly attempted to promote healthy eating amongst young children, and 50% of the time was unopenable by hand.

A swimmer

Someone who is "not with it", or not cool

short for "afrubes". Large bushy pubic hair resembling an afro.

to be an idiot or a spanner.

Frube is used to state that you are going to cum and is the pre-tense of Frubed

In surfing terms:

A frube is a surfer who doesn't catch a wave for the whole time they are in the water.