Top Definition
To supple on ones grandmother.
Popularized by United Kingdom gangsters and hip hop artists.
Gangsta #1: Oi mate gimmie your phone.
Gangsta #2 Suck your nan blud.
Gangsta #1 Brap Blap
by OhizzleSYN October 02, 2010
the sucking or slurping or ones own grandmother. It is an action frequently performed by larger men. It is used as a curse or offence
'Oi fatty james, go suck your nan'
by liquidass99 May 07, 2016
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