A skin disease only afflicting Jesse James McCartney and a few other ugly people.
Girl : "Ewww that guy is red"

Guy : "He has a skin disease"

Jesse : "HEY ITS CALLED ROSACEA"

Girl : "Ewww your diseased"

by RenegadeRebelfromhell August 23, 2008
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A skin condition that people use as an excuse when they’re caught blushing.
Girl: So what do you think about Annie?

Boy: Ummmm

Girl: You’re blushing!

Boy: IT’S ROSACEA!!!
by TheEmgarSpy April 24, 2018
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Scientific word for Rose. Large family of flowering plants consisting of about 2830 species in 95 genera.
Nerd: "I lacerated my index with a thorn from a rosaceae plant."
Other person: "what?"
Nerd: "the rose cut my finger"
Other person: "why didn't you just say that?"

=dumb example but how else am i going to put this word in sentence...
by iCarissa February 24, 2011
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Used to describe the red blotches that appear on the faces of the British upper class during times of stress or excitement.
Did you see the state of Prince Harry when Prince William got married? His face was covered in red blotches. Total posh rosacea.
by mckenz1e October 5, 2011
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