Is Ramona Singer the latest ‘Real Housewife’ to take on the title of “cougar”?

Well, she would’ve been… if she had her way with ‘Vanderpump Rules’ star Jax Taylor — who rejected the 58-year-old mom’s advances!

PDA ALERT: ‘Pump Rules’ Star Jax Taylor Spotted Making Out With Hot Blonde!

The pair met at a Feb. 11 Skinnygirl event in NYC, where the newly single ‘RHONYC’ star expressed interest in the 38-year-old SUR employee — and she wasn’t exactly shy with her feelings!

“After Ramona introduced herself, she got very close and kept brushing up against him,” an onlooker tells ‘Life & Style.’

ramona and jax

Ramona — and pal Bethenny — plant kisses on Jax at the Skinnygirl launch party!

But apparently, the feelings weren’t mutual! The eyewitness adds, “He wasn’t taking her flirtations seriously. He was laughing about her later.”

Oh well, no major loss, Ramona! We’re sure there are plenty of other, younger fish in the sea!