A term used by street drifters to simplify the act of drifting around together. This term is also used by gamers in GTA, Forza, Need for Speed, etc.
Hey Nick, you wanna tandem tonight?

Yeah bro. I'm up for a tandem.
by StrxfestrxfeStrxfw June 25, 2018
Tandem is a pair/match or the chemistry of two people

It is a commonly used word in the Philippines, especially when talking about their favorite couples in Filipino Dramas.
-Gusto ka talaga yung tandem nila
meaning:
-I really like their chemistry.
by silent-reader September 9, 2009
I got tandemed last night by Gina and Rodger I can hardly walk.
by Dangerous Dave I August 17, 2005
When 2 or more people are extremely high simultaneously, and they begin laughing at the same time with neither one knowing what is funny.
How about this tandem we got goin' on here? Now pass that blunt, bogart.
by Tweaked in B-Town November 14, 2005
The fake tan trend slowly taking over the world.

With ever more oompa loompas in prominent positions, it has become strangely fashionable for people to enhance themselves with the radioactive glow these creatures naturally display.
"This orange sensation sweeping the nation is becoming a tandemic"

"Have you seen Marsha's new Facebook profile? Let's have a moment of silence as the tandemic claims another victim"
by Quan Chi Nuts November 11, 2018
when two or more people wants & know that they'll stay together for the rest of their lives. synonym for "until the end"
i want to be tandem with you.
by lestempora December 29, 2020
The act of simultaneously releasing the fecal matter from your anus and bustin' a nut (preferably on a girls face/chestal region). Is known to stimulate all portions of the genitalia and prostate at the same time, relaying the ultimate for of orgasm.

Warning: Evacuating your load at the exact moment the widest portion of dump passes through your rectum may result in a high enough pleasure to cause death.
Mikey tried to pull off The Tandem, but couldn't, due to the fact that he is a little sniveling girl who can't do anything right and will forever be known for his dinky dong, which is, by far, too small to, in fact, masturbate.
by Alan, Jason, Travis July 3, 2008