Observatory oblate - Somebody who doesn't get out on a Saturday night

fib fief - the group of people who will always believe your lies

introit interview - The hymn sung by the congregation to which the priest makes the replies

Edam éclair - a cheesecake

ancestral angel - belief that there was once someone in your family who was completely good

shinny shoal - The multitude of schoolboys who can be seen clambering up trees in Autumn to scrump apples or collect conkers

indolent indogene - Your couch potato flat-mate/husband

bon vivant bombardon - Cordon bleu flatulence

bastinado batter - The soft fleshy layer on the soles of the feet; a by-product of marathon running

criminal creosote - Tar but don't feather

{All 7th Ed OED}