Guinni
Plural of "Guinness" beer.
We'd like a round of three Guinni, please.
Guinny
Slur for Italians because of their propensity to have lots of sex & have many babies just like Guinea pigs.
"Those eye-talians screw & spit out babies like Guinny (Guinea) pigs!"
Guinny
short for Guiness, the popular Irish dry stout
I was sippin' on a Guinny when this hot chick entered the bar.