basketball, nba, excited, fan, winner, playoffs, winning, boston celtics, cs, celtics, old man, nba playoffs, let's go, 2017 nba playoffs, nbaplayoffs, nba fans, chest pound, pounding chest, our time GIF

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basketball, nba, excited, fan, winner, playoffs, winning, boston celtics, cs, celtics, old man, nba playoffs, let's go, 2017 nba playoffs, nbaplayoffs, nba fans, chest pound, pounding chest, our time