The phrase signifies emphatic endorsement of a particular ice hockey player, Nathan MacKinnon. It implies absolute certainty and unwavering support for his abilities, performance, or potential success. For example, someone might say “He’s going to score tonight, hundo p Nathan MacKinnon,” indicating a strong belief in his scoring ability.
Such expressions play a role in building player reputation and community enthusiasm within sports. The strength of conviction embedded in the phrase suggests a deep appreciation for the player’s skills and a belief in his contribution to team success. The usage potentially stems from online slang and sports fandom cultures, where exaggerated expressions of support are common.