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1.
The language one speaks when visiting Italy if one took Spanish in high school and never learned Italian.
American A: Dude, try out your Spantalian
American B: Scusi, um... donde esta el baño?
Italian: Il bagno? A sinistra e poi il primo a destra.

American: Una bierra por favor.
Italian: Prego.
by loodog July 12, 2009
 
2.
A language consisting of a combination of Spanish and Italian.
I didn't know enough Spanish or Italian to get by, so I started speaking Spantalian.
by D328jet February 25, 2009
 
3.
Of Spanish and Italian decent resulting in an awesome mixture.
Jude Romero is a Spantalian...Stallion.
by G. Farfalla April 14, 2006