Etymology: A fake Italian word, originated due to the fact that it kinda sounds like something a stereotypical angry Italian might yell at you when you back into his cab.
1. Literally: A pasta dish, consisting of spagulli noodles, much like spaghetti.
2. An insult, with no particular implications.
"That guy was a freakin' spagulli."
"Some spagulli runs the Pizzaria on 5th."
"I'ma bash that spagulli's face in 2 seconds, I swear to gad."
"Pass the spagulli."