The phrase "long cardi" refers to a long cardigan, which is a type of sweater or jacket that is longer in length compared to a regular cardigan. Full definition
Love the skirt and black, white and red combination and I think this pencil skirt with long cardi look suits you really well. (alreadypretty.com)
I love that it's a super simple and cute long cardi over a dark t - shirt, but the long gold chain adds that perfect bit of sparkle. (jenniferrizzo.com)
I have the Halgon long cardi in pink and in black. (youlookfab.com)