Blow off and Cop out

Blow off verb - To end a usually intimate relationship with.

Cop out and blow off are semantically related. in withdraw topic. In some cases you can use "Cop out" instead a verb "Blow off", when it comes to topics like back down.

Cop out verb - To break a promise or agreement.

Blow off and cop out are semantically related. Sometimes you can replace term "Blow off" with "Cop out", this phrasal verbs are similar.