Pakato
Pakato is when you act like the whole world revolves around you, even when you're doing nothing. It's like being a loudspeaker in a quiet room.
He pakato'd through the whole lunch break, talking about himself like he was the only one who mattered.
She pakato'd during the movie, talking so loud she ruined the whole experience.
He pakato'd through the whole game, thinking he was the best even though he lost.