a phrase often used liberally by Mormons in place of an actual swear word. it is all the rage in Utah...
"oh my heck!" said richard as he gazed upon the massive orgy before him.
by Karyn October 7, 2003
A hilarious phrase that is not supposed to be funny, but actually meant to be a G-rated exclamation of surprise or amazement used by LDSers (aka Mormons).
One Mormon girl to another Mormon girl:
"Oh my heck! You're having another baby! That's 14 now isn't it! Joseph Smith would be proud"
by funwithc4 March 2, 2009
A phrase actually used by hicks rather than mormons, except for certain Survivor participants.

Frowned upon by educated people.
Oh mah heck. (the mah in place of my is essential)
by Nani August 23, 2004