-iz(z)- infix

[Laurence Horn]

>While to date I have no citations of the -iz infix prior to the
>1990s, where the use seems to start amongst the hip-hop/rap
>community and move on to general campus use, might I draw attention
>to one possible predecessor: the use amongst US carnival workers of
>the infix -eas, e.g. in ceasarnie (carnie), measark (a mark or
>sucker), heasar (here), neasix (nix) etc.
>
Can I ask how that one is pronounced?  (And does the "-eas-" indicate
a conventional spelling recorded in texts somewhere?)

larry, always on the lookout for new examples to bring up in class
once "-fuckin-", "-bloody-", and their mates have been exhausted