The 25-year-old, who scored the decisive penalty that gave United the vital point to top the table, was ecstatic at the final whistle.
And judging from this picture (right), the first thing he did was grab a razor to shave away his chest hair, only leaving behind the number "19".
The extraordinary image was posted by the Red Devil to his 506,089 followers on his Twitter feed.
It was put on the site, where other Man U aces are members, alongside the simple one-word message "Champions".
But his team-mates seemed stunned at Wayne's hair-raising celebration - which seemed to have caught them all by surprise.
England legend Michael Owen said: "None of us thought Wazza would send that picture!
"He is madder than we thought!!!"