two things, mg..

1. although it is very rare (some bloke named Cotgrave stuck in- on the slightly less rare offensible in 1611), it has been recorded in OED2

2. who wants to help me GET it in the dictionary... no, I won't even pontificate on this, because it would be a self-yart: http://wordsmith.org/board/showflat.pl?Cat=&Board=miscellany&Number=599

http://home.mn.rr.com/wwftd/