a freakishly long penis...usually from the 8 to 10 range...in inches.
Dude, Ron Jeremy definately has a grillo.
by A.G. March 03, 2005
A sweet italian boy from alba adriatica, popular with friends, has a billboard because he is so popular.
Marco is a grillo!
by imayau February 15, 2010
The condition of having an unnaturally tan penis in relation to the rest of your body. This is commonly caused by excessive masterbation.
Then he whipped his grillo out and I was like, "are you fuckin serious Peter, does your dick go tanning while the rest of you watches Bassmasters, what the fuck!?
by Mihlkdawg September 26, 2011
to receive an extremely low pay check
Man, i need to start working so i stop getting all these grillos.
by matt32392 July 14, 2009

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