Subverted: Humans are fighting a war against an alien race, but try to establish peace talks.
Double Subverted: ...Only to unleash a surprise attack on the unsuspecting enemy.
Parodied: A group of aliens are making a reality show, and in order to ensure a proper amount of conflict, turn to the most violent species they know... humans.
Deconstructed: Humans' violent tendencies make other races avoid them, refusing all trade agreements with humans. Humanity's economy collapses.
The Humans are Genre Savvy enough to realize this trope and pretty soon they start a war of conquest through the universe, leaving much death and destruction behind them.
Reconstructed: The other races have respect for humans' resolve and battle prowess and know that it's much better to have humanity as a friend than an enemy.
Zig Zagged: At first, it seems that all humans do is fight with other races. But then, we see that those humans are actually a band of outcasts; the rest of humanity are pacifists. Unfortunately, the entirety of the pacifists are killed off, meaning that the warring humans are the only humans left.
Averted: Humans are not particularly violent.
Enforced: "How can we make humans Badass?" "Let's make them always want to kick ass!!!"
Lampshaded: "Now, as ambassador of the Klingon-I mean, Human Federation..."
Invoked: ???
Exploited: An alien species has monitored humanity's broadcasts and suspects them to be warlike, so they enlist the humans in fighting a war for them.
Defied: "Not all humans want to fight."
Discussed: ???
Conversed: ???
Played For Laughs: Although belligerent, human technology is so laughable that they come across as overeager kids rather than bloodthirsty warriors.
Played For Drama: The humans' war-mongering ways cause the other races to gang up against humanity, attempting to wipe all humans out once and for all.
Humanity's war-mongering ways cause all the other races to gang up against humanity, and humanity wins out through genocide.
