Do a Trevor

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

Marsive

A more discreet way to comment on the large size of a backside. Combining the words massive and arse. Pronounced M arse ive

Look at that it so marsive you can see it from the front