Those weird ass little credit-card sized pictures, mostly of boyfriend-girlfriend but also of two best girl friends, that people in da ghetto hand out like candy. On the back the starshot is most commonly inscribed by something like:

heyy keisha dis ur girl kabrina! stay chil gurl wen u wana tlk just hit *** **** i got ur bak! xxx

Walk into any high school girl's bedroom and the mirror and walls will be invisible behind a wall of starshots.

Internet persona(s) who happens to follow you and you happen to follow them back and maintain communication with and have a mutual liking for eachother whether it be friendship wise, etc. (Mutuals if more than one mutual)