Top Definition
An expression used in South Africa. Means "really", "truly", "honestly".

See also fair dinkum.
"I just got a new surfboard."
"Dinkum?"
"Ja, want me to show it to you?"
by Xaviana December 01, 2003
1 more definition
Acronym for Double Income, No Kids, Unbelievable Mortgage. Describes young hard-working marrieds (or a pair of faggots) who are deferring having children whilst they plough all their money into a very large housing loan. See also D.I.N.K.
Look at that huge mansion; a couple of D.I.N.K.U.M s there.
by Busted Hyman July 06, 2006

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