False Rotary

A false rotary is a rotay table contructed of anti-material, often anti-carbon steel grade -355 ksi. A False Rotary shal be cleaned a cloth made of lint only, and may be used in combination with a False Hang off Bushing, False Slips or a False Spider (dont forget the False Adapter Ring). The False Rotary must not be used in combination with non-False Equipment made of regulare material, as this might cause annihilation and potential HSE-issues.

Yo, grease monkey! Use the False Slips cuz ur using a False Rotary, dumb ass!

by _______ ____ _________________ December 9, 2010

Mazda Rotary Engine

Essentially a portable hand grenade. The apex seals are like pins of a hand grenade attached to a Schrödinger's cat resulting in an engine that it is in 2 states of reality; both working and exploded at the same time.

- Man, did you heard about the RX-9 rumors saying it will come with a mazda rotary engine?
- Yeah, can't wait until it blows up at the mall!

by St0RM53 November 25, 2016

host rotation

A rhythm game term usually used in games like osu!, quaver, etc to pass the host of the lobby around to the person below them to change the beatmap/song after they play the song and repeat the process.

>osu multiplayer lobby gets created by some user with the name 4* Host Rotation

by brandonplayz May 2, 2021

rottainculo

Rottainculo is an italian word that means you have been butt fucked so many times that you have a broken ass hole. So when they tell you you are a rottainculo or rotta in culo, it will mean you have a broken ass hole.

"Sei proprio un frocio rottoinculo" (you are a fag with a broken ass hole)

"Quella puttana si è scopata mezza scuola"
"È proprio una rottainculo" ("that whore fucked half school" "she is such a bitch with a broken ass hole")

by abeyance/Giovanni C. March 12, 2014

Tire Rotation

Whilst giving head the female grabs a nut in each hand and massages them while continuing to give fellatio. A move usually only done by the most professional of fellatio givers.

You hear Mike got a Tire Rotation from Kelly last night? That girl is crazy!

by R.J. Boner August 7, 2011

rotate his stock

Masturbating to ejaculation, supposedly for the purpose of disposing of old sperm so that fresh, new sperm can take its place.

John didn't have a date on Saturday night, so he just went home to rotate his stock.

by jdmat January 5, 2008

Rotaract

Rotaract is a Rotary-sponsored service club for young men and women ages 18 to 30. Rotaract clubs are either community or university based, and they’re sponsored by a local Rotary club. This makes them true "partners in service" and key members of the family of Rotary.

As one of Rotary’s most significant and fastest-growing service programs, with more than 7,000 clubs in about 163 countries and geographical areas, Rotaract has become a worldwide phenomenon.

"Rotaractor's engage their local and international communities through a range of social, professional and community based activities and events"

Rotary International

by RotaractDU February 4, 2010