No, they breathe fire through their mouth.
No after he gained his new body in Harry Potter and the Goblet of Fire he does not have a nose.
Well, typically smoke doesn't come out of your nose, so if smoke does come out of your nose, I suggest finding a fire extinguisher.
TRUE
Chestnuts Roasting on an open fire, Jack Frost nipping at your nose The Christmas Song (Chestnuts Roasting on an open fire)
60 Minutes - 1968 Under Fire A Dog's Nose Miracle Man 37-39 was released on: USA: 26 June 2005
Chestnuts Roasting On An Open fire, Jack Frost Nipping At Your Nose
From the song "The Christmas Song" also known as: Chestnuts Roasting on an Open Fire, it is Jack Frost nipping at your nose.
Fire ball
heatmiser
From the song "The Christmas Song" also known as: Chestnuts Roasting on an Open Fire, it is Jack Frost nipping at your nose.
It doesn't have to be very near the nose cone, only on the other side of the fireproof material to prevent it being burnt by retro-fire.