Insufflate
/ˈɪnsʌfleɪt/
verb
To breathe or blow into or on.
To treat by blowing a gas, vapor, or powder into a body cavity.
To inhale (a powder etc.).
“2001: Cocaine is usually taken by insufflating the white powdered cocaine sulphate into the nose, which leads to rapid absorption of the drug into the bloodstream. — Leslie Iversen, Drugs: A Very Short Introduction (Oxford 2001, p. 98)”
Synonyms: snort