Another way of saying "pissing on your own chips", "making things harder for yourself", or "shooting yourself in the foot". If you've shagged yourself silly, you've really messed things up for yourself and created a total disaster which could have been avoided had you stopped to think. This phrase takes a nod to the act of inbreeding.
Dear Tory Twat, you're absolutely shagging yourself silly by planning to build over 7000 houses on a floodplain.
by Ilson Jackie September 6, 2025
Get the shagging yourself sillymug. an  individual  with  a  rugged  appearance;  one  with  a  homeless  look  about  them;  homeless  couture.;  one  without  taste  of  fashion  sense;  someone  who  looks  as  if  the  wore  their  clothes  to  school  everday.
by Brielle  Nicole February 18, 2009
Get the shagged  upmug. by Jessc1122 December 5, 2019
Get the shagging with 9/11mug. Having sex with sheep.
by anonymous1717 October 15, 2016
Get the shagging the haggismug. by Swagshagger69420 March 24, 2021
Get the Swag shagmug. Crystal shagger : the act of placing a crystal in your moist Female lady bits and ejecting it out for pleasure
My friend mum is a “ Crystal shagging” she’s likes to pop crystals out of her cunt
Have you seen her in porn hun her crystal fun is quality
Have you seen her in porn hun her crystal fun is quality
by Fussy Dino arms  August 18, 2019
Get the Crystal shaggingmug. The Acts Of Jack S
by TheDefinester May 13, 2025
Get the Shag and Dipmug.