short for mother fucker, used generally in place of mother fucker when cursing is not appropriate.
YO! That 'MO UCKER' just stole my shoe laces!

or

Sup 'Mo ucker' wanna go steal some snazzy shoe strings :p
by Mo_shizzle June 2, 2011
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Yooo fam, you know that Shanice gal? She gives out bare uckers badders
by Lethal Pock March 2, 2016
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A really ugly person, as you may notice the 'f' from fuck has been moved to the beginning of 'ugly'. This word is quickly becoming popular with more and more people using fugly as a lone word.
Oi ya fugly ucker get ova ere before i stick a steel pipe up your arse.
by BaileyUK June 23, 2004
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Your mum lol

that was only a funny uckers sket actually mean a level 3 or 4 sket ikr mad one
Brian:hey
Fred:hey

Brian:shut up dickhead
Fred: uckers sket
by Granny Norma xxx April 7, 2018
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Really bad head(brain,blow job, uck)
Your uckers badders
by Princesssssss144444 February 21, 2016
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That man has a uckeres because shes too sassy
by Timmycrumbberry March 23, 2018
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