Yes, its actually a word derived from Hindi (Indian language). Basically 'dekh' means to look and when you say 'dekho' its asking someone to take a look.
E.g.

In Hindi
Yeh ladki ko dekho- Look at this girl

In English slang
Give that girl a dekko
by RinRin May 31, 2007
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I am not sure whence this word originates, it sounds like something the British took home from India. It means to look at and, sort of, assess/absorb something. It is widely used in Ireland and the UK
'If you bring your new work along this evening I'll take a dekko at it'
by Tel April 22, 2005
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A man who works in a low brow job as an economic migrant well having sexual interest in and older disabled man

ex. "Dave" im goner bugger you sam
ex. "sam" smash my wee ass I travelled to England for a living wage. freedom im just a wee porridge wog bugger me sexy .
freedom " other than my wee ass im Scottish dekko sam"
by rRIGHT TO BUYr August 31, 2018
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By the end of the night the ship was food with a bunch of Dekko's
by Mashado March 14, 2022
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