If "potential" is "having or showing the capacity to become or develop into something in the future"; then *Pretential* is the *potential to have potential*.
Example; If you studywell, you have POTENTIAL.
If you aren't bothering to study, but you have the right teachers, books, notes, etc.; then you have PRETENTIAL
Person 1: You've got a great teacher, the textbook's got all the information, and you have every other possible tool you could need! You've just got so much potential!
Person 2: I don't have potential, I'm not studying yet!
Person 1: Yes you do...
Person 2: No, I only have *PREtential*
Commonly used to refer to a girl with whom you are considering courtship/elopement/copulation/mating/etc. Typically used by people who are less than attractive to begin with; therefore their person-of-desire is considered "prey".
"Spot any PV's (potential victims) tonight at that house party?"
"I'm going to walk around the club and look for some PV's. I'll report back to you with the results."
Someone who boasts about their accomplishments when in fact they have nothing to boast about or when a man is hitting on a woman and lies about how big his penis is or how good he is in bed.