Crossing the Point of No Return. Named after Julius Cesar, who according to lore crossed said river into Rome, effectively declaring war.
I was Crossing the Rubicon the moment I thought he was too stupid to notice that I slept with his Girlfriend. He beat my ass so hard that to this day I twitch every time I hear the name Sasha.
Who's Sasha?
*twitch*
Who's Sasha?
*twitch*
by wildcard9 March 7, 2010

One of the best soft drinks available in the UK, with a fruity and refreshing mango flavour. Tastes peng when high
by dave1234567890grandma August 29, 2016

by Sokerboi December 5, 2010

A fallacy.
I told them that the Baofeng UV-5R being the G.O.A.T. of amateur radio was not a rubicon and then they banned me.
by TheOnlyInformant April 20, 2023

The point when someone who engages in an activity ironically becomes sincere in their engagement in said activity.
by A_Concerned_Citizen November 20, 2013

The point during masturbation when you know you're going to cum, and there's nothing you can do to stop it.
by VirtualBlaze March 15, 2017

A person who is able to solve a rubik's cube without the instruction or guidance of another person, video or the knowledge of algorithms. This person is simply a baller and figured out how to rearrange those squares without the help of a peer or teacher.
Example: Did you see Kaitlin pick up that 12 sides die and just solve it? She's for sure a self made rubicon!
by Flowerk8lin December 1, 2018
