(Adj) the act of being inebriated during your scheduled restaurant shift.
When she came in to work was fine, but by the end of the night she was shift faced.
από DJ McBojangles 6 Μάρτιος 2015
1 more definition
Riding motorcycles or quads around completely wasted. term comes from a brand of riding gear called Shift.
lets drink before we go riding, i want to go out shift-faced
από Papacav 14 Μάιος 2010