Stands for 8 and 6 in japanese (86). In a automotive context, it relates to the Corolla AE-86 hatchback, which is famous for it's drifting and racing capabilities, and referred by the YouTuber from the channel Bladed Angel in a funny way as the "Eight-uh-Six-uh", in an attempt to sound like a japanese man.
by VTEC Kicked in yo May 3, 2019

by Bun's soupmate April 18, 2022

The act of a male straddling another male in the driver’s seat of an AE86 while engaging in anal sex. With each thrust, the driver presses the gas, letting the legendary 4A-GE engine sing. As climax approaches, he skillfully rev-matches to 7500 RPM, unleashing a high-revving finish—reliable, precise, and, in true Toyota fashion, built to last.
As Joe straddled Jose in the driver’s seat of the AE86, each thrust was met with a tap on the gas, the 4A-GE screaming in perfect unison. With a final rev-match to 7,500 RPM, they reached their climax—executing a flawless Hachi-Roku Harmony that would make any AE86 enthusiast proud.”
by Liquid_Actor March 3, 2025

Usually a short man with a very big ego and a really bad sense of humor. Usual anger issues and bipolar and also makes very bad music.
by Young machi the great October 23, 2022

The act of a male straddling another male in the driver’s seat of an AE86 while engaging in anal sex. With each thrust, the driver presses the gas, letting the legendary 4A-GE engine sing. As climax approaches, he skillfully rev-matches to 7,400 RPM, unleashing a high-revving finish—reliable, precise, and, in true Toyota fashion, built to last.
As Joe straddled Jose in the driver’s seat of the AE86, each thrust was met with a tap on the gas, the 4A-GE screaming in perfect unison. With a final rev-match to 7,400 RPM, they reached their climax—executing a flawless Hachi-Roku Harmony that would make any AE86 enthusiast proud.
Bro, we hit peak Hachi-Roku Harmony last night—every shift, every rev, perfectly in sync. It was like a Touge battle, but in bed.
Bro, we hit peak Hachi-Roku Harmony last night—every shift, every rev, perfectly in sync. It was like a Touge battle, but in bed.
by Liquid_Actor March 10, 2025

The act of two men engaging in sexual intercourse while perfectly synchronizing their movements to the revs of an engine—executing each thrust like a well-timed downshift in an AE86. Achieving true Hachi-Roku Harmony requires precision, passion, and a deep understanding of both man and machine.
Joe- Abe, we hit peak Hachi-Roku Harmony last night—every shift, every rev, perfectly in sync. It was like a Touge battle, but in bed.
Abe- I know. I want that every night!
Jose- WTF! I wanted to join in on this! Why wasn’t I informed!
Abe- I know. I want that every night!
Jose- WTF! I wanted to join in on this! Why wasn’t I informed!
by Liquid_Actor April 21, 2025

by Le epic biggie cheese December 2, 2019
