In polite company, faeces. Also dirt, slime, sewage, or any other disgusting, smelly, often unidentifiable material.
Hey, you stepped in something nasty, better scrape that blek off your shoe.
by Erin Montgomery May 01, 2010
Top Definition
The way South African's say Black people
"In Saauth Africka wvee beet the Bleks till theyy aare whaayt"
by Olie December 12, 2005
A common mispronunciation of the word "black". Often used by white people from South Africa to discribe their fellow country-men
"by god! 'es Blek!"

"So Many Blek Peeple in Seeth Efrika!"
by Thor August 24, 2004
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