When she partied she got all cunt-strewed, throwing her pussy all over the place, offering it to anyone and everyone that was interested, ending up in every bedroom with a different guy.
British slang, interjection, exclamation of surprise short for "God's truth".
From Monty Python's Flying Circus Episode 1: Whither Canada?
Mozart: Thank you, Eddie. And now time for this week's request death. (taking card off piano) For Mr and Mrs Violet Stebbings of 23 Wolverston Road, Hull, the death of Mr Bruce Foster of Guildford.
Cut to a lounge setting. Mr Foster sitting in chair.
Foster: Strewth! (he dies)