Knee Buckler

-associated with an intense sensation (usually due to sense of touch) where one experiences an extremely pleasant feeling to the point where involuntary contraction of muscles occur.

-event that make someone buckle his knees

..the way she ran her hands down my hips was an absolute knee buckler

by TW IN April 25, 2018

knee buckler

An extremely good blow job.

Cathy used those great DSL'S to give me a "knee buckler" last night.

by Eman3737 November 29, 2004

knee-buckler

An intense orgasm

"I didn't fap or have sex for two whole weeks. When I finally came, it was a knee-buckler!"

by Michael Michael Motorcycle July 31, 2013