Hulk Hogan's Florida bar honored him on his birthday by throwing an all-day rager ... and the festivities got so large, even Nick -- the WWE legend's son -- popped by!
TMZ Sports is told ... Hogan's Hangout in Clearwater threw a 7 AM to 2 AM party on Monday on what would have been the wrestling icon's 72nd cake day, and droves of Hulkamaniacs showed up to pay their respects.
Launch GalleryHogan's Hangout Launch Gallery Hogan’s Hangout/MyIconographyPeople clad in red and yellow attire cruised through the doors throughout the afternoon .