Oh Gravy

A Statement, phrase or exclamation to be used in various instances.

It could express a feeling that too much has been shared,

A Person has gone too far.
Or perhaps a feeling of sadness, often used to show suprise.

" I just found out i various venerial diseases, i best stop paying for those lo rent hookers"
" Oh gravy." D:

Ted: Holy, mother fucking shit John check out this 3 legged monkey bird"
John: Oh gravy!