idioms? I think you mean idiots.

Guido #1, in thick Staten Island accent: Yo, yo bro, I found this thing on Word, it makes you sound smarter.
Guido #2 in same accent: No way, bro! What is it?
Guido #1: I don't know, it's this thing, you click it and it gives you all these words that make you sound smarter.
Guido #2: What's it called?
Guido #1: Sin... Sinono... Sino-somethin, but I swear to god, bro; it makes you sound smarter.

found on overheard in ny