To pull on someone's hair hard enough to pull out their extensions or weave. This is like snatching someone's wig, but is instead about extensions/weaves rather than a wig. It can also be used as a metaphor for being surprised just like snatching someone's wig is used.
When you absolutely, definitely, surely have to be the disappointment of your entire team, and manage to potato your way from certain victory.
“Did you see that 1 v 6 matchup? It was intense!”
“Yeah, but somehow that one guy managed to weasel his way to a win because snatching defeat from the jaws of victory seems to be the other team’s specialty.
When in online gaming, your or the enemy team does something incredibly stupid in the last minutes of a match, that it costs yours or the enemy team the victory.