Top Definition
Used in the same context as 'amazing', 'outstanding' or 'Oh my fricking God!'.

Refers to something that is unbelievable, regularly said in a stupor of intoxicants, sleep and other activities.
Wow, iajum, that's all I can say!
#iajum #awesome #amazing #wow #amazed
by Wingo89 January 15, 2011
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