Top definition
the single most powerfull word in the world. originated in litherland liverpool by a rock head named cunny. hennif can be used to describe any situation in the world and if used with the correct tone can hit your humor G spot. Other phrases such as 'pure homme' and 'josseling' can be used in the same senctence as 'hennif'.
' its really hard to say this, but i may have cancer!' -
'' HENNIFF!!!!''

'My dog just died :('' -
by Cunrock July 19, 2009
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