1. To become mentally and physically prepared to complete the task at hand.
1. The boys have an important futsal game today, I hope they can switch on.

2. Look how well compare monds is playing, he's definitely switched on.
by Sange13 June 12, 2016
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A person who vaccilates between dominant and submissive roles within sexual relations.
#1 Are you dom or sub?
#2 I like both. I'm switch.
by Dan Fox June 24, 2003
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A hypothetical game that is played by placing the thumb of one's hand into one's own mouth while simultaneously placing the thumb on one's other hand into one's own anus, and then switching the thumb positions after an undetermined period of time. Most commonly used as a term to negatively express the passing of time with extreme inactivity or waiting. Very similar to the term "Grab Ass".
John: "Did you have a date with that girl last night?"
Tom: "Nah man, she said she'd call me back in 10 minutes but never did. I sat around the house playing 'switch-it' all night."
by BacchusJT December 13, 2010
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Often used mainly in Chicago as a slang for Glock pistol. There's a part called switch which swiches glock from semi to full auto which is very prevalent in Chicago
Hit his lil with that *switch* I bet that *switch* switch up his nerves
by Endrit Lleshi May 13, 2021
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Abbrev. "Brain switched on".

Someone who is switched on is alert and intelligent.
That Ohlsson seems really switched on. I think he has a lot of potential.
by Jackson Flames March 28, 2007
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To be in the zone and focused on a task or during an event. People put in stressful situation who are rolling with the punches and not getting hung up on things are switched on. First responders, military personel and those who deal with dangerous and stressful situations are known to become "switched on" when faced with an event.
"This looks like a pretty bad car accident, get switched on."
by aneumann May 8, 2017
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This occurs when you find that your boyfriend/girlfriend's roommate is a far better match for you. This leads you to think of a plan to "switch" roomates. However, this is not an easy task. People during the middle ages were locked up for even thinking about it.
My jokes bounced off my girlfriend like superman but her roommate laughed hysterically. I then decided it was definitely time for the switch!
by The spencinator March 25, 2005
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