To abandon someone or something after they’ve contributed to your life in a meaningful way

A phrase to describe someone who is cognitively degenerating. Synonym of "going off the deep end". Can have varying degrees of severity.

Reference to the song "Hey You" by Pink Floyd. The line "and the worms ate into his brain" makes no sense in an otherwise linear and literal narration throughout the lyrics.

To be ‘Markled’ is when a new friend appears in your life, bombards you with attention and favor requests, once you are secure in the friendship things settle down, however, after a period of no communication you attempt to contact your friend only to be ignored and ghosted without warning, explanation and every avenue of open communication is now closed and you are effectively deleted from the friends life once you have served your purpose and are no longer of any use to her as she has now ascended the next rung of the social ladder.

Verb. To get publicly maligned under false pretenses.

Used to be one of the lads who everyone liked and then met a girl and flipped 180 to a whinging under the thumb turncoat

When a person realizes they have been manipulated, gas lighted, lied to, and used for attention or fame

To be absolutely 'Markled'. When being an incredibly rich, good looking famous royal is just too stressful for life and you need to take a several weeks break in Canada to get away from everything.