(Expanded definition) A girl going through rush who exhibits all the qualities of making a fine sorostitute. Usually travel in small groups, except when going to and from a rush event, where they can number in the hundredd. Large crowds of sorostitots are considered mildly dangerous, as for the probability of venereal diseases.
(this definition; orig. University of Alabama S.S. 2010)

When you eat dirt for the first time and leave your family to build a shack in the woods

So•rost•i•tot

Meaning changes dramatically depending on the circumstance.

1) Freshman Ho's in a sorority, or those in a sorority whom exhibit one more freshman like qualities (Sluttiness, dumb, inexperienced, annoying, etc.) that are exceptionally see above.

2) Can also been seen in a positive light, meaning hot, easy, cheap (2 beers and they think your Brad Pitt), Slutty Dresser, and lacks morals.

See Sorostitute.