To waste time; to shirk one's work or responsibility by doing something unproductive. Primarily heard in UK. There's no way we'll get this project finished on time if everyone keeps dossing about like this! I should have been working on my paper all weekend long, but instead, I just dossed about playing videogames.
See also: doss
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.