1. when someone with a small dick compensates by driving around in a large truck or a hummer or something
2. compensation for a lack of confidence with big talk, large wads of cash, trophy women
3. a dickless wonder
Stan: Check out my new big, red truck. Impressive, ain't it?
Bob: Whaddaya got big truck syndrome or sumfin'? Big truck, little penis ... ha!
by big kiss June 2, 2006
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A syndrome normally found with white guys who compensate for their tiny genitals or being heavily inbred by owning a loud, jacked-up truck, getting violent over petty shit and other retarded reasons.
"You saw that guy with the mustache, ponytail and his giant truck?"

"Oh yeah, that asshole that threatened to kill that guy on a bike over leaning on some other guy's truck?"

"Yeah, he's got Big Truck Syndrome."
by The Painful Reality August 12, 2020
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