n. Edinburgh dialect for a police officer. Will be familiar to readers of Irvine Welsh. (contraction of Lothian and Borders Police + dickhead)
"It'll be a piece ay pish likesay ... he sais as he's escorted away by a po-faced labdick, " - Trainspotting - Irvine Welsh
Refers to a sleazy male who uses his sleazy methods to in-effectively 'pick up'.
"I just had some labdick try to pick me up, how pathetic."