The footage was posted on Twitter by a user called Alex (@mralexthfc), who wrote: "Scotland fans in Leicester square."
In the caption, he added a facepalm emoji and one of a face crying with laughter.
The video shows a topless football fan splashing his way through a run-up along a wet pavement, as onlookers cheer him on.
He then launches himself onto the floor and slides through the puddle, while the crowd gathered around him cheers.
The video has since racked up more than 14,000 likes and more than 1,700 retweets, along with countless comments from impressed social media users.
One said: "Scotland sliding out of Euro 2020 tonight like....."
Another - more supportive - person wrote: "Seems like the Scots are havin a good party, love them."
A third said: "F***ing love this Scotchman."
Another commented: "That's genuinely an art... I'd 100% go for that and smash my chin on the pavement and ruin it for everyone."
Many others had the same concern, with one person joking: "I'm gonna go Leicester square tomorrow and look for his nipples......"
Another quipped: "They can take away our nipples, but they'll never take away our..... freedom!"
Scotland - playing in their first major tournament since 1998 - are facing off against Gareth Southgate's highly-rated young England side tonight in Euro 2020, continuing one of the most passionate rivalries in representative sport.
Thousands of Scots have descended on the English capital for the occasion.
One gave passengers on the Tube an unexpected eyeful when he performed the worm while wearing a traditional Scottish kilt and very little else.
Meanwhile, a fully naked Scotland fan was also seen being led away by police in Hyde Park yesterday (17 June), with a Met Police spokesperson telling LADbible: "On Thursday, 17 June, officers arrested a 25-year-old man for indecent exposure in Hyde Park. He was taken into police custody before being cautioned and released.
"On the same day another man - no further details - was arrested for the attempted theft of a police officer's hat, assault with intent of avoiding arrest and assault of emergency worker. He was taken to a south London police station where he currently remains.
"No further arrests."
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