(transitive) to tear (something); to pull (something) apart; to rip (something) [auxiliary haben] / (intransitive) to break; to become torn apart [auxiliary sein] / (transitive) to snatch; to wrench; to yank; to drag; to tug; to pull on (something) [auxiliary haben] / (transitive, of animals) to kill a prey animal [auxiliary haben]

inflection of abreißen:
/ inflection of abreißen:

inflection of ausreißen:
/ inflection of ausreißen:

inflection of aufreißen:
/ inflection of aufreißen:

inflection of hinreißen:
/ inflection of hinreißen:

inflection of losreißen:
/ inflection of losreißen:

worst comes to worst; the worst case scenario manifests itself

(idiomatic, colloquial) to acquire, get one's hands on (especially in a forcible or questionable way, or something that one doesn't own)

present participle of reißen