To ignore or refuse any and all contact and delete all traces of one's ex, as if they never existed.
To have a healthy, long lasting relationship with his girlfriend, Joe needs to exexpunge his lying, cheating ex-girlfriend from his life by letting her attempts to rekindle the relationship go unanswered, therefore causing all traces of her disappear.
by Monacagirl September 27, 2018
Get the exexpunge mug.