To make the gesture of raising one's nose, as a sign of scorn, contempt or disgust.

(Britain, slang) To undress or be naked.

(figuratively, of a male) To spread one's genes around by impregnating many females. / (by extension, of a male or female) To engage in premarital or extramarital flings.

(idiomatic) A feeling something is morally despicable as to cause nausea. / (idiomatic) A feeling of guilt, responsibility, or embarrassment as to cause nausea.

(idiomatic) To be very careful to behave correctly.

(idiomatic) At one's own instigation, of one's own accord.

(idiomatic) To feel overwhelming sorrow, jealousy, or longing; to grieve.

(idiomatic) To begin gaining experience; to tentatively try something new.

(intransitive, idiomatic) To get confused or mixed up about another person's intentions; to misunderstand one another.

(duration, idiomatic) For a hopelessly long time; used especially in respect to discussing, explaining, insisting, etc.