When a person goads you into competing with them, then they lose and make you feel terrible. Particularly associated with online gaming. Lidgifying is a very clever form of emotional blackmail which almost, but not quite, takes away the pure pleasure of humiliating your foe then making sure everyone knows about it.
Toni: YEAH! I beat you fair and square, even though you said you'd annihilate me! Geoff: Yes. You win. I'm so so rubbish and inadequate and everyone hates me :-( Toni: Aw you've lidgified me Geoff! It's not my fault you're shit!