Rip somebody to bits - Idioms by The Free Dictionary
rip somebody/something apart/to shreds, bits, etc. (redirected from rip somebody to bits)
rip someone or something apart
to tear someone or something apart into pieces. The automobile accident ripped the car apart. Don't rip apart the newspaper!
rip somebody/something aˈpart/to ˈshreds, ˈbits, etc. destroy something; criticize somebody/something very strongly: Can you believe it? I spent all that time preparing my report, only to have it ripped to shreds! OPPOSITE: praise somebody/something to the skies