oh, you're driving across the state with your 3 friends/brothers? no, i won't come--i don't want to intrude on the broadtrip
a roadtrip consisting of bros, familial or otherwise
"oh, you're driving across the state with your 3 friends/brothers? no, i won't come--i don't want to intrude on the broadtrip" What is the definition of "broadtrip"?