To be discombobulated, in a state of physical, psychological, fiscal or existential turmoil.
Common causes of someone being scrummbled include: women, narcotics, alcohol, divorce (see women).
Frank: Alright Tony, did you hear back from that bird?
Tony: Nah man, I'm heavy scrummbled about it by the way.
Tony: You been on that Chaplin again Franco?
Frank: Aye mate, woke up this morning feeling like a pure Scrummbelina.
Tony: Have you heard anything from Shannon about seeing the bairns?
Frank: Fuck all man, feel sae scrummbled - She's turned the weans against us.
Jackie scrummbled her pen when she dropped it next to Eva.