turn up

verb

To show up; to appear suddenly or unexpectedly.
“Is this your t-shirt that turned up in my drawer?”
“I don't like people turning up without an appointment.”
To cause to appear; to find by searching, etc.
“I spent hours in the archives, but couldn't turn up anything on the alleged criminal.”
To increase the amount of something by means of a control, such as the volume, heat, or light.
“Turn up the radio and sing along.”
“Turn the rhythm up, don't you wanna just Come along for the ride?”
To reposition by rotating, flipping, etc., upwards.
“He turned up his collar against the cold.”
To belay or make fast (a line on a cleat or pin).
“Turn up the main halyard.”
To party hard, especially when involving alcohol or drugs.
“We're going to turn up at the concert tonight.”
To acquit.
“Thirty-six were cast for death, and only one was ‘topped’ (hanged), the very one that expected to be ‘turned up’ (acquitted) for highway robbery.”
To sicken.
“' […] fair turned me up.' 'You get used to these things, lad,' Inspector Moss said as they trudged heavy-footed up the stairs. 'Though I know what you mean. The first time I saw a dead woman my stomach turned over. […] '”