Narcissistic Boomerang 

A narcissistic boomerang is a on and off narcissist.

Alexa is such a narcissistic boomerang.

Narcissistic Boomerang by Big Joe the hatwearer May 13, 2018

Antarctic Boomerang 

Whilst in a sub zero climate, make your girl squirt from her pussy. The squirt shall freeze mid-air and one proceeds to snap off the icicle, using it as a boomerang.

My girlfriend and I went on a trip to Antarctica, and achieved the Antarctic Boomerang

Antarctic Boomerang by LongiandCaltakeontheworld October 29, 2019

Lesbian boomerang

Being a lesbian, quitting it for a while and coming back to it. Like Rob of The Automatic.

"haha rob started as a lesbian, went away from it then came back to it" - bansheee
"like a lesbian boomerang" - squiddly.

Rob of The Automatic would be the original and quintessential "lesbian boomerang".

Lesbian boomerang by Squiddly December 10, 2008

Birthday Boomerang 

A present you give to someone but it really benefits you.

Jon: WOW, a garden gnome?!

Heather: Yeah! It matches the ones in my garden.

Jon: Thanks for the birthday boomerang.

Birthday Boomerang by T.Polkinghorne December 9, 2008

dirtpipe boomerang 

When two people push their assholes together and alternately shit into the others asshole, hence boomerang.

Invented by Bill Cosby in 1956.

See also ultimate dirtpipe boomerang showdown

Kevin:"What are you watching?"
Bill:"Two black trannys doing a dirtpipe boomerang."
Kevin:"Pass the KY jelly"

dirtpipe boomerang by TheChode April 8, 2007

Lima Boomerang 

The Lima Boomerang is a condition that happens under extreme boredom. It is the act of pulling ones own genitals back between his or hers legs and inserting the tip of their penis or clitoris in their anus. This is done for entertainment, stress relief, and sexual pleasure.

Man 1. Have you ever heard of the Lima Boomerang?

Man 2. Yeah, I doing it right now!

Lima Boomerang by 8BallUD September 22, 2012

Banter Boomerang

cumming in your pants and then spinning them around your head and throwing them at a girl just like a boomerang, if you hit your target with devastating effect then you must take up your bantlers and shout LIKE.

Big jugs-"oh my god did you just jizz in your pants"
Tyson-"yeah i did and you better prepare for the banter boomerang"
Big jugs-"what?!, ouch that hit me with so much force the jizz has covered my whole face!"
Tyson" LIKE!"

Banter Boomerang by KingKir August 1, 2011