"Oh My Chuck"

Used by fans of the show "Supernatural" as an alternative way of saying "Oh My God" since Chuck the prophet is actually God.

the thing that you don’t have when you’re phones percentage is over 20

Original Male Character
Used in fanfiction when an original character is inserted into an already existing set of characters/fandom. Often shunned due to fear of Gary Stus, hence it is given as a warning.
See also: OFC

"Oh My Cas"

Play on "Oh my God". Fans of the hit CW TV show, Supernatural, have come up with this term after the Season 6 Finale when a character (Castiel) proclaims himself as God.

oh my communism --> used instead of God as religion is not okay in the communist utopia. Idiy rabotay suka now.

Oh My Cher, instead of Oh My God (OMG). The phrase is popular in the gay community, whom stereotypically are obsessed with the famous singer Cher.

Oh My Carlisle

Referring to the almost godlike compassion and restraint that the character Carlisle Cullen exhibits in the Twilight series by Stephenie Meyer.