To sell your soul to the cancer of self-infatuation. To selc on other people as in spraying a wide nozzle dump even on your friends and teammates. To be in love with yourself so much as to not have empathy with others. A user. A poser. Godless lifenoob.
He dissed his friends behind their backs with a full Selcer.
He gave up trying to be good and went full Selcer.
He pulled a royal Selc.
Don't expect him to give a crap, he's flat out all Selcer.
He went all Selcer and his friends are getting wise even as he has adults fooled.