Noun: A chronic, often subconscious, behavioral pattern focused exclusively on one's own selfish needs, thoughts, and stupid feelings, frequently neglecting others' perspectives. Key signs include monopolizing conversations by interjecting stupid ideas, lack of empathy, and interpreting situations solely through a personal fucked up lens.
My son’s refusal to take out the trash is caused by Notdoingshitforanyonebutyourselfism.
Boys who enjoy yaoi (a genre in Japan that contains sexual and/or romantic relations between two men); literally translates to "rotten boy"; corresponding female : fujoshi