What charges can a minor press against an adult for threats made over text?

my newly acquired EX-bestfriend has disrespected me & my boy kicked us out of her apt...meanwhile accusing us of using her...even tho over the period of 2 weeks he put 200 of his money into the apt for food ciggs etc etc fixed her truck...as well i cooked everynight & cleaned everyday & supplied well over a carton of ciggs...we have been back to my house for well over a week now...last night she proceeds to call him & accuse him of taking her xbox controller...well needless to say he didnt...i am 17 yrs old she is 21 yrs old we live in florida she called my phone which i did not answer & continues to curse & argue amongst other things she is already oon probation for petty theft from walmart...she has threatened me multiple times over text which i still have...i never once cursed or argued with her i explained & defended myself as well as told her to stop texting me...but she persisted to do so..... i am just curious to know what is permittable by law in florida to file charges against her? please help...thank you!