The phrase "all switched on" is correct and usable in written English.
It can be used to describe someone who is alert, aware, or fully engaged in a situation.
Example: "During the meeting, I could tell that everyone was all switched on and ready to contribute their ideas."
Alternatives: "fully alert" or "completely engaged".
"The boys were all switched on, they all did the job and what we have to do now is not get complacent.
"For me, getting the proper signal when it's all switched on, is 10 out of 10 in importance," said Tash. "If I can't contact my friends I feel like they can make plans without me".
Everyone at school knows me as the political one, and many of my peers follow me on Twitter too – we're always discussing politics and they're all switched on, even though our demographic is mostly ignored by politicians.
They defend very, very well and they just have so many good players in all positions to choose from - there are no weak links when they're all switched on.
His mind snapped when his laptop, his printer, his fax, his three phones, his television, his radio and his pager were all switched on at once relaying different information.
That translated to 99.6% of all TVs switched on at the time.
A modern organisation needs all minds switched on to the ever-changing market.
The code was written in C and compiled using the compiler provided by Texas Instruments with all optimisations switched on, and set to minimise the number clock-cycles needed.
This analysis showed that the aeration scheme with all 10 aerators switched on produces a similar hydraulic behaviour compared to using only 6 or 8 aerators.
–If you're stealing electricity from your neighbors, do you really need to have that giant neon sign and all them robots switched on, you fucking dick?
–If you're stealing electricity from your neighbours, do you really need to have that giant neon sign and all them robots switched on, you fucking dick?
