To cause someone hardship by cutting all supplies off.
To drain someone of blood entirely.
To take money from someone until they have none.
To deplete of energy or resources.
To flow gradually.
To draw off by degrees; to cause to flow gradually out or off; hence, to exhaust.
To convert a perennially wet place into a dry one.
To fall off the bottom of the playfield.
To cause liquid to flow out of.
To lose liquid.
Something consuming resources and providing nothing in return.
One terminal of a field effect transistor (FET).
An access point or conduit for rainwater that drains directly downstream in a (drainage) basin without going through sewers or water treatment in order to prevent or belay floods.
An outhole.
A conduit allowing liquid to flow out of an otherwise contained volume; a plughole (UK)
An act of urination.