Top Definition
A person entering the country illegally.
Hey how many toncs did you smuggle in last night? I got 25 though.
by migra joe December 20, 2009
6 Words related to tonc
London slang. especially north/east side (eg finsbury)
1) anything large
2) someone who is both hench and also wide/ fat, making them even stronger
1): chek the toncness of my zut bro!
: trudat bruv
2): my lodger be so tonc he cant fit thru the doorways. he rock any sketchy mens be chirpsin on my sis
by Judge Fudge December 29, 2004

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