▁of ▁failure ▁to ▁ful fill ▁the ▁oblig ations ▁to ▁attend ▁Sunday ▁Mass ▁and ▁to ▁receive ▁Comm union ▁during ▁E aster t ide . ▁ ▁Col lo qu ial ▁names ▁Some ▁la ps ed ▁C athol ics ▁attend ▁Mass ▁on ▁special ▁occasions ▁like ▁Christmas ▁and ▁E aster . ▁Such ▁la ps ed ▁C athol ics ▁are ▁col lo qu ial ly ▁referred ▁to ▁by ▁such ▁terms ▁as ▁Cultural ▁C athol ics , ▁Con ven ient ▁C athol ics , ▁Sub marine ▁C athol ics , ▁Two - Tim ers ▁( for ▁att ending ▁Mass ▁twice ▁a ▁year ), ▁Ch re aster s ▁( a ▁port man te au ▁of ▁Christmas ▁and ▁E aster ), ▁C & E ▁C athol ics , ▁Po in sett ia ▁& ▁L ily ▁C athol ics , ▁CE Os ▁(" Christ mas ▁and ▁E aster ▁Only "), ▁A PE C , ▁C AP E ▁or ▁P ACE ▁C athol ics ▁( P alm ▁[ S und ay ], ▁Ash ▁[ W ed nes day ], ▁Christmas , ▁E aster ), ▁CASE ▁C athol ics ▁(" Christ mas ▁and ▁Sometimes ▁E aster "), ▁C ME s ▁( Christ mas , ▁Mother ' s ▁Day ▁and ▁E aster ), ▁or ▁A & P ▁C athol ics '' ▁( for ▁Ash ▁Wed nes day ▁and ▁Pal m ▁Sunday ). ▁ ▁" C ult ural ▁Catholic " ▁is ▁also ▁used ▁to ▁refer ▁to ▁a ▁non - rel ig ious ▁member ▁of ▁a ▁histor ically ▁Catholic ▁eth nic ▁group , ▁such ▁as ▁Aust rian