sniff up
Advanced (C1) informal
To breathe something in through your nose.
"She sniffed up the sharp smell of pine needles as she walked through the forest."
Hear it in context
When Neighbors Go to War
Judge Mathis · 2:00
I said sniff up behind.
When Neighbors Go to War
Judge Mathis · 1:53
Your friend likes to sniff up behind her.