To lose interest, and start thinking about something else.
To alternate between; to trade.
To turn a switch to the "off" position in order to stop or disable a device.
To fill with enthusiasm; to intoxicate, give pleasure to ( + to an object of interest or excitement).
To aim at.
To depend upon; to pivot around, to have as a central subject.
To power up, to put into operation, to start, to activate (an appliance, light, mechanism, functionality etc.).
To start operating; to power up, to become on.
To take drugs.
To cause to take up drugs, especially hallucinogens.
To set a flow of fluid or gas running by rotating a tap or valve.
To violently rebel against; to suddenly attack.
To sexually arouse.