Diagonal nosing is the act of inserting your nose into a woman's belly button, whether sexual or non-sexual is irrelevant.
"Hey, bro, did you hear what Max did to Cait?"
"No, man, what happened?"
"He diagonal nosed her, dude."
"Oh, dang, bro, I didn't know she was into diagonal nosing."
"No, man, what happened?"
"He diagonal nosed her, dude."
"Oh, dang, bro, I didn't know she was into diagonal nosing."
by Dapper Damp June 10, 2022
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