Self-esteem gap 

The gap between the self-esteem a person has and what they ought to have.

Noun

“Shawn’s never received a grade higher than C- in his life but last night he told us he’s applying to medical schools. That poor bastard’s got a serious self-esteem gap.”

Self-esteem gap by Bigfreedog July 21, 2011

Self-satisfaction 

Noun
Often refers to the act of pleasuring oneself in a sexual manner a.k.a wanking. Also applies to putting thumbs up the anal canal.

Fred had an evening planned of pizza, video games and violent self-satisfaction in front of the mirror.

Self-satisfaction by Lennythebear September 19, 2016

Self suck 

To suck your own dick.

"Last night I saw Brian self sucking, he sure is flexible!"

Self suck by Cherry popper 123 July 25, 2016

self-privilege 

The confidence and love in one's self to do any thing you set your mind to.

A guy with self-privilege could do it cause he allowed himself to.

self-privilege by Inmybasement4ever May 23, 2016

Self Defeces 

A defense mechanism that one uses in prevention of being raped. While the rapist tries to put in penis into someone's butthole, the victim simply shits themselves to push the penis out. The rapist cannot successfully put his penis in, while his victim is pushing shit out

Cop: "How did you prevent that man from raping you?"
Victim: "It's simple, I just used some self defeces and now his dick smells like shit"

Self Defeces by Kanye's penis December 15, 2017

Self proclaimed broke boy 

A crying little bitch who is weak asf and likes to suck pee pe

Self proclaimed broke boy is a little bitch
Self proclaimed broke boy likes little boys

Self proclaimed broke boy by I hit it with your mom March 4, 2019

Self Cancel Culture 

When an individual, group, or organization goes so extreme in their beliefes that they unknowingly destroy (cancel) themself.

Professional sports and Hollywood have created a Self Cancel Culture and are unaware of their own self destruction.

Self Cancel Culture by daveobot February 12, 2021