A gamer that is noob, a player in blox fruit that can't beat anyone, or a slowhands gusion player.
Example 1
"I can't play this game, I think I'm manghod."
The sentence means, I can't play cause I'm a NOOB.
Example 2
"My enemy is gusion, I hope he is manghod."
The sentence means, I hope that the enemy is a slowhands gusion player.