Its a figure of speech. An idiom. 1. pin a rose on your nose Said with a sarcastic tone in voice. Used to tell someone that "nobody cares." Often used when one does not want to listen to a long story someone else wants to tell. This phrase mostlikely originated on the early 1990's show "Full House."
Screw you, Bird. You're not allowed to be happy while I'm cold, bored, horny, uncomfortable and...um, whatever else I am. Hurry up and get sad, damn it!