Commonly used by spanish speakers that speak English, it is referred to as the literal translation of "¡hostia!" (keep in mind that it is referring to the expression for suprise and not the host itself). You can use it in basically almost situation where you want to express suprise, admiration or anger. You can also put the word uncle in to give it more of a spanish authenticity.
1. Communion bread!!!! Carlos!! I haven't seen you in so long.
2. Communion bread bitch uncle!!! I been stuck on this one question for an hour and I still can't solve it, I SHIT ON EVERYTHING THAT MOVES!!!
3. Communion bread!!! Ana got the highest grade in the exam, my móm!!! she's amazing, is just that I'm flipping uncle.
4. communion bread, did you not understand anything?