Question

We've both been blowing off Peter all day: he's really boring.

Accepted Answer

(idiomatichttps://en.wiktionary.org/wiki/Appendix:Glossary#idiomatic) to shirkhttps://en.wiktionary.org/wiki/shirk or disregardhttps://en.wiktionary.org/wiki/disregard (a duty or person).

Sentence	We've both been blowing off Peter all day: he's really boring.
Definition	( idiomatic https://en.wiktionary.org/wiki/Appendix:Glossary#idiomatic ) to shirk https://en.wiktionary.org/wiki/shirk or disregard https://en.wiktionary.org/wiki/disregard (a duty or person).

Blowing Peter Day Boring Duty Person