verb breathe or blow onto as a ritual or sacramental act, especially so as to symbolize the action of the Holy Spirit.
verb treat by blowing a powder or vapor into a bodily cavity.
verb blow or breathe hard on or into.
Examples
“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)”