The phrase "utter bollocks" is a slang expression used to convey strong disagreement or disbelief. It suggests that something is completely untrue, nonsensical, or of low quality. Full definition
This show has turned into utter bollocks, the first two seasons were very good and paced really well, but this missing baby storyline is a joke, the characters have become overly sentimental and schmaltzy which is difficult to reconcile with the uncompromising action a show of this nature needs. (metacritic.com)