Do you have cornstarch? That works better than flour. If there's a pet store open near by go over and get some Styptic powder aka Kwik Stop...that really should do the trick, even badly quicked nails should stop bleeding with that...try that before the emergency vet. I don't know about other pet stores but both Petco and Petsmart should carry Kwik Stop and both are usually open until at least 9:00.