The word botarás is the future form of botar in the second person singular. There are other translations for this conjugation.
See the full botar conjugation

botar

Prométeme que no me botarás.
Promise me that you won't throw me away.
¿Nos botarás a la calle?
You'll put us on the street?
Te dije que botaras eso, Érica.
I told you to throw that out, Erica.
¿Por dejar que me botaras?
For letting you throw me out of your office?
¿No se supone que la entregaras, o botaras, o algo así?
Weren't we supposed to turn it in or throw it out or something?
¡Te dije que las botaras!
I told you to throw these out!
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