1 definition by LSXJunkie
To do something that scores major disapproval and/or anger. To many motor-heads, this term can be used perfectly, as it correlates with "redlining" on a car motor with RPMs.
"Dude, you slept with my sister. That's such a fucking redline."
"You're redlining right now and it's really pissing me off. Cut it out."
"You're redlining right now and it's really pissing me off. Cut it out."
by LSXJunkie October 4, 2009