The state of flirting with a man, especially one who has used the ab-abber. See Homestar Runner.
"The ladies will be all up ons."
by KaiserMonkey August 22, 2003
"All up ons" is a colloquial usage describing popularity. "It means they really like you". It can also mean something is on, around or close to someone.
"Well played, Strong Bad. Those ladies are sure to be all up ons."
by Gary D. August 19, 2007
when one person is sexually attracted to another person.
I was wearing my Autobot T-shirt and the ladies were all up ons!

I wish I was Sugar shum! That would make her all up ons!
by AlfaTrion August 21, 2003
when a person is sexually attracted to another and manifests it in a physical way that is not always welcome.
"When you go out tonight, I hope that no nasty guys are all up ons."
by kimnrowdy June 3, 2004