When you miss third gear in a 6th generation honda civic si repeatedly while street racing across the border in Mexico.

Also can be used when referring to how you fucked up a situation.

Most commonly used in the import scene in Houston, Texas.
Yo, did you get her number?
Nah, I biglos'd it.
Damn bro.
by HTXAaron May 15, 2007
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BIG LOS
Big Los v. (big lôs)

the act of misshifting. to try to shift into a higher gear, but fail.
"I was racing a mustang gt when i biglos'd third gear."
past tense - biglos'd
other tenses - biglos'in
by BigAaronHTX June 9, 2007
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