uniquely sexy, having to do with being awesome, and also having funny comebacks
The slexi girl stood up to a roaring applause.
n. (sleck-see) 1. Slang term, used to describe an individual who is "sexy" and "sleek" 2. an attractive athlete 3. Typically, one of the female sex, who appears to be a innocent, but often engages in coital activities.
1. Jessica is lookin slexi, she's been hittin the gym lately.
2. samantha is slexi, she may look innocent, but shes a total slut!