blow (one's) nose(redirected from blow one's nose)
blow (one's) nose
To breathe forcefully through the nose to expel mucus into a tissue. My allergies are so bad right now that I have to blow my nose constantly just to be able to breathe.
blow one's nose
to expel mucus and other material from the nose using air pressure from the lungs. Excuse me, I have to blow my nose. Bill blew his nose into his handkerchief.