you write your life in indelible ink 

(phrase apocryphally attributed to Gandhi) , meaning 'you can't go back in time and correct the mistakes you have made; if you have made a mistake in the past you have no choice but live with the consequences and move forward.

son: I didn't get the grades in math, chemistry and physics that i wanted. Now the MIT won't accept me. Is there anything I can do?

father: no. there is nothing you can do. All you can do however, is learn by heart, and apply to your future, Gandhi's famous phrase 'you write you write your life in indelible ink'. What you can do is go study history or some other social science discipline at Columbia University

you write your life in indelible ink by Uncle Dimma May 5, 2013

indelible to the hippocampus 

When you're scared AF and remember it forever.

I was bullied in kindergarten. That kinda shit is indelible to the hippocampus.

indelible to the hippocampus by MaryinPgh October 8, 2018

Indelible in the hippocampus 

When you want people to believe your fake story, so you make up a fake scientific explanation with big words and technical terms as to why your story must be true. The goal is to misdirect non-expert questioners and listeners, who don't have enough technical knowledge to pick apart your actually very weak explanation.

"What is your proof that aliens abducted you in the middle of the night 36 years ago and then let you go, leaving no evidence?"
"It's indelible in the hippocampus."

Indelible in the hippocampus by tp217 November 14, 2021

indesible

One that does not betray a friend and remains unmovable when everyone else does.

When everyone else blamed Jake for stealing the pen, his indesible friend, Sam continued to say he was innocent.

indesible by E. Doctor Akonawe May 26, 2006

indelible marker 

An indelible marker is a felt-tipped writing instrument used to write on many surfaces that doesn't wash off.

Matt waited for me to go to sleep and then he wrote "FUCK ME" on my butt-cheeks with an indelible marker!

indelible marker by USAF Cadet June 27, 2021

indelible 

Using the adjective 'indelible' with a bad connotation. When you say something is indelible, you are saying that it is indelibly retarded. As in, the subject's stupidity leaves a lasting mark on you. It can also be used as a noun to describe someone who is indelible.

You left your car running in the parking lot for two hours unattended! You are indelible.

Stop being such an indelible.

indelible by Jeff January 30, 2003

indeliable 

Something that you can't sell at a delicatessen.

You can't sell cereal at a deli; cereal is indeliable.

indeliable by goober_von_ouizultrap October 29, 2009