Perhaps you chose
the wrong man to DUEL with.
Game of Thrones Season 1, Episode 3
Do you know what I learned,
losing that DUEL?
Game of Thrones Season 1, Episode 7
He almost killed Petyr in a DUEL.
Game of Thrones Season 4, Episode 5
They shoved each other
and threatened to DUEL
Game of Thrones Season 5, Episode 3
You can't
have a DUEL.
The Big Bang Theory Season 5, Episode 17