Tanking

[Sonia]

In reference to Magic: The Gathering gameplay. tanking is the act of going into the tank coming from think tank. a player in the tank is considering their next line of play.

[Luis Fok]

Something robust that is travelling very fast and carrying a lot of momentum, rendering it largely unstoppable and on the edge of potential catastrophe.

Something that you wouldnt want to stand in the way of.

[Cami]

Tanking is the act of going as fast as you can.
The meaning comes from riding mopeds, which are typicaly a slow form of transport. To get them to go faster, a rider can reduce their profile and improve their aerodynamics by laying flat on the fuel tank; tanking it.

[Dianne]

Usually in people with eating disorders, Tanking is drinking a large amount of water in a short time to gain weight before a weigh in.

[Julian]

The process by which a person expels excrement into the toilet tank, instead of the bowl, resulting in a disgusting surprise when one flushes.

[PussyCat]

In [dotA], using your hero to absorb enemy damage.

Effective when pushing, a tanker can absorb large amounts of damage while the rest of the team can focus on killing the enemy heroes.

[Britney]

Used to describe someone who gets at fat girls.

[Marquetta]

When its a race to get to the bathroom after your stomach has been hurting so bad and taking the biggest shit possible.

[Luis Fok]

When a sports team loses [on purpose]. Usually done at the end of the season to [secure] a better [draft pick] for next year.

[Gregory]

a container that holds liquid or gas: