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2 definitions by Siiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiimon?

When a man engages in sexual intercourse with a girl without any form of protection. The man fails to 'pull out' in time, therefore leaving the female with 'cave paintings' inside of her nether regions.
"We didn't have any condoms but we still done it anyway. I didn't pull out in time and she was left with some cave paintings."
Something that is 'gash' (or naff, crap, rubbish, lame etc). Derived from the rhyming slang of 'Kate Nash' meaning 'gash'.
"That film last night was proper Kate, the storyline was crap and there wasn't any eye candy in it!"