various meanings, in particular: something with a larger capacity than its outward appearance suggests—UK, 1968—the name, in TV series Doctor Who, of a time machine outwardly resembling a police telephone box, yet inwardly much larger
a type of popular novel characterised by frequent explicit descriptions of sexual encounters between the characters—from ‘bonk’, referring to sexual intercourse, and ‘blockbuster’—UK, 1988—perhaps coined by Sue Limb
to get a severe beating—popularised in UK & Ireland in the 2nd half of the 20th century through its use in chants by supporters at Association-Football matches, chiefly to threaten opposing away supporters
UK—anything which discourages or inhibits sexual activity—originally (1943, British military slang): the sturdy, practical and unattractive underwear issued to female service personnel
to react with shock or dismay, especially in response to something considered immoral, underhand or vulgar—USA, 1990—from an episode of the sketch-comedy television series In Living Color, broadcast on 15th April 1990