Passive aggressively endorsing someone on LinkedIn for a menial skill such as Microsoft Word, while purposely ignoring their more relevant talents in things like Ruby on Rails or Objective C in an attempt to belittle them.
Gilfoil got LinkedIn endorsement burned by Zeeshan when he purposely decided to only endorse him for Microsoft Powerpoint, even though he's a senior engineer at Pied Piper with a wide array of talents.