A Catholic individual, typically poorly catechised, from the Latin Rite or other. Said Catholic will pick and choose what he chooses to believe in in regards to the faith. Typically they will deny or mutilate revealed truths in order to justify their sinful lifestyles.

a Roman Catholic who chooses to follow what ever church idea or prohibition they choose to at his/her own discretion

A catholic who chooses to follow the correct doctrines of the catholic church, and choosing not to follow the pretty much ridiculous ones.