switch on
verb
RareNot in standard dictionaries
1
To start or enable a device by turning a switch or a lever.
2
To change one's expression or appearance as if by turning a switch.
3
To arouse, to excite (sexually).
Thesaurus
#slang
To start or enable a device by turning a switch or a lever.
To change one's expression or appearance as if by turning a switch.
To arouse, to excite (sexually).