Yes dispose means getting rid of or trashing it.
Disposed OF (one "f") is correct-meaning to get rid of; not "disposed off"
Getting rid of weapons.
It means the criminal case has been dealt with, after one has pleaded guilty, and that appropriate measures have been taken to resolve the issue. This doesn't necessarily mean the charges were ever dropped, though.
getting rid of all your cards
to be disposed of or incliend
Disposed to learning
"Disposed" in this instance simply means that the charge was "settled," "attended to," or "handled."
Pay it off. You aren't getting rid of it (or the first mortgage) and keep the property that is pledged as security if that's what you mean.
It means something that can be recycled.
dismissed charge
It depends on what you mean by getting rid of it. Most cable companies come with parental controls. You can block the titles from coming up on the menu without a PIN that you create. If you mean getting rid of something that you watched out of the Pay Per View history or off of the bill, you generally cannot.
Try blowing your nose and getting rid of the dirt.