Do a Trevor, is a work place phrase when someone wilfully slows down so much that the they cannot complete allocated tasks in given time. Do ( ing ) a Trevor usually results in one or more of your colleagues having to take up the slack and complete your work.
Worker 1 - How was yesterdays shift
Worker 2 - Far to much for me had Do a Trevor and only got 3/4s if it done
When you try to improve something, but end up making it the same or much worse
I tried to implement a better system where we can impose improvements to the product.. But I ended up doing a Trevor.
It's when you choke somebody out with the intention to show what Trevor did to you when you were a child.
Doing a Trevor -
Person 1: "Let me show what Tervor did"
Person 2: "What?"
Person 1: takes person 2 a headlock and chokes violently.