He started off by dancing and shooting his leg (Plaxico Burress) and then flying around the end zone like a crashing Jet (Santonio Holmes).
Sadly for Johnson, that celebration cost his team 15 yards on the ensuing kickoff, which was booted and recovered by Emmanuel Cook in Buffalo territory.
The Jets followed that poor kick by scoring in under a minute with a touchdown pass to Plaxico Burress, who chose not to retaliate against Johnson's celebration.
As for his celebration against the Jets, he crossed the line.
Often times the Jets are attacked by the media and fans of other teams for being a "classless" organization, with head coach Rex Ryan doing a bit of trash talking over the course of the regular season. Rarely, though, do the Jets publicly attack something personal like a player going to jail for shooting himself in the leg.
Both Burress and Holmes are trying to improve their public image since joining the Jets, especially Burress. Since being released from prison, Burress is trying to become a better father and return to his former self as a wide receiver in the NFL.
As for mocking Holmes, it does not make much of a difference since many people have already imitated the flying plane celebration against the Jets, but the shooting of the leg was unnecessary and went too far.
I would not be surprised if Roger Goodell and the NFL fine Johnson a small amount for the first part of his celebration.
Go here to watch the celebration.