Definition of cack in English:

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Pronunciation: /kak/
British informal


[mass noun]
1Excrement; dung: cow cack
More example sentences
  • As we ascended the rusted metal ladder up into a series of passageways called The Warren we began to look like real cavers - wet, muddy and generally covered in cack.
  • I'm knackered and have to get some kip, but let me take you up on one (relatively insubstantial) point - the landscape could be improved immeasurably by ridding it of farmers, unless de-forestation, polluted rivers, shoddy-looking barns made out of breeze-blocks and rusty corrugated iron, and otherwise pleasant country roads covered in years-worth of crusted cow cack are your thing...
  • If the fins in the rads are damaged, bent over, rotted away, full of dead flies or cow cack, the cooling system will suffer.
1.1Rubbish: they talk such a load of cack
More example sentences
  • Maybe that was true in the late 1980's - but by the early 1990's the mood had changed with war, depression, recession and an endless stream of manufactured cack on the ever expanding network.
  • He held the expression for a couple of seconds until all the familiar bile welled up and he spat furiously: ‘Because variety was cack, that's why!’
  • There was only one thing to do: I spent the remainder of the conference filling a notebook with this cack for future generations to enjoy, and hope to use it myself in future meetings.


[with object]
Defecate in (one’s clothes).
Example sentences
  • All of them are doing the same - everyone's cacking themselves after his downfall, although no-one's sorry to see him go.
  • And it turns out he's just a big sissy bleating for his ma while on the very cusp of cacking his pants.
  • It seems like one minute you are on the ground standing in sheep pooh, then the next minute you are 40 foot off the ground clinging onto some rock face cacking yourself because you haven't been able to insert any protection.


Old English (as cac- in cachūs 'privy'); the verb dates from late Middle English and is related to Middle Dutch cacken; based on Latin cacare 'defecate'.

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