Option 1 (Excited & celebratory, for a broad audience on multiple platforms):

"YES!!! 🏀🔥 That game-winning shot was INSANE! What a performance! #GameWinner #ClutchShot #Unbelievable #[TeamName] #Winning #Basketball #Sports"

Option 2 (Humorous, for a younger audience on TikTok/Instagram):

"OMG! That game-winning shot was so clutch, I almost swallowed my popcorn! 😂🍿 #GameWinningShot #Clutch #Basketball #Sports #Funny #AlmostDied #[TeamName]"

Option 3 (Serious & appreciative, for a more mature audience on Facebook/Twitter):

"What a testament to skill and determination! That game-winning shot was a moment of pure athletic brilliance. Congratulations to [Player Name] and the entire [Team Name] team on an incredible victory. #Respect #GameWinner #Dedication #[TeamName] #Basketball #Sportsmanship"

Option 4 (Supportive & team-focused, for fans on Twitter):

"Huge shoutout to [Player Name] for that incredible game-winning shot! The team played their hearts out tonight. So proud of everyone's effort! #Teamwork #GameWinner #[TeamName] #Basketball #Victory #ProudFan"

Option 5 (Short & sweet, for Instagram):

"Game. Winner. 🤩🏀 #[TeamName] #ClutchShot #Basketball"

Option 6 (Question-based engagement, for Twitter/Facebook):

"That game-winning shot... speechless! What was YOUR reaction?! Let me know in the comments! 👇 #GameWinner #Basketball #Reaction #[TeamName]"

Note: Replace bracketed information ([...]) with specifics relevant to the actual game and team. Consider adding a relevant image or video to enhance the post.