1. A three-dimensional square 2. A person described as a three-dimensional square; i.e. a person who's squareness takes them to a whole new level, esp. one of coolness or acceptableness.

The greatest shape on earth.

A movie about six people from different walks of life who get stuck inside a giant rubik's cube. The autistic guy survives. There was also a sequel, cube 2, which was the exact same story with different people. Both are a waste of time to watch.

Another name for a cunt.

Often used because autocorrect changes "cunt" to "cube".
Also, Ray

1. (noun)
A way of playing magic: the gathering in which "packs" are made from cards put together in one set by the collection's owner (typically one copy of each card in this set, not including basic land cards) and drafted as if they were sealed packs of magic cards. The cards drafted are then used to build a deck by players that drafted the cards and are used to play games with one another.

2. (verb)
The act of playing a cube draft.

An 1/8 of an ounce of marijuana.

Likely etymology is the cubic plastic containers this quantity is typically sold in.

A shortened term for cubicals, the cubes are communal toilets often found in the work place or in public places.