16
A redneck truck accessory hung under the back of the truck that looks like a very large human scrotum. nutsack

Bigboys are hung to let people know the truck and/or driver is masculine. It is all the rage, and they can be seen on lorries and bigrigs, as well as tanks in Iraq. Mel Tilleson sports chromed bigboys on his CXT.

Bigboys are larger than bumper nuts and are seen in different colors and materials that are chosen for further meaning. See truck nuts.
"Those bigboys sure aint pingpong balls, that driver must be the real thing."
by jrBman August 26, 2006
Get a bigboys mug for your mama Jovana.
17
a slang term for a brick of heroin which consists of five ten bag bundles.
Yo, my boy in the Red Acura has a big boy for $250!
by sin city bags July 07, 2009
Get a big boy mug for your father-in-law Jerry.
18
A jolly fat boy with amazing hair. He is always wearing red and white checkered overalls, and holds a double-decker burger. He is the mascot for Big Boy restaurants. The two most common chains of Big Boy Restaurants are Bob's Big Boy in the West, Frisch’s Big Boy in the Midwest. Each restaurant has a fiberglass statue of Big Boy welcoming hungry visitors.
There's only one place to get a Big Boy Combo; and it's at a Big Boy Restaurant!
by imahobgoblin March 06, 2011
Get the Big Boy neck gaiter and mug.
19
big boy a term used to describe someone who thinks they are a big boy. a big boy could be a fat person or someone who thinks they are better than everyone else.
by trent coles June 19, 2017
Get a big boy mug for your Facebook friend José.
20
a noun used to describe a bisexual male, specifically one capable of taking a very large dick.
person: man, andrew is such a buttslut.
other person: yeah, he's a real bigboy.
by annaayyy June 14, 2008
Get a bigboy mug for your cousin Günter.