One of the most acrimonious debates I've ever got into on this board concerned the inclusion of 2 v's in 'crivvens'
It arouses strong sentiments in our Scottish brethren I now know.
(
barryheadwound Mul-ti-pass? Multipass!,
Tue 25 Jan 2011, 13:52,
archived)
From the Shorter OED
crivvens krv()nz/ interjection. slang. E20.
[ORIGIN Alt. of Christ, perh. after heavens!]
Expr. astonishment or horror.
(
fuscous,
Tue 25 Jan 2011, 14:38,
archived)