Top Definition
An event that takes place after you pleasure yourself to some questionable shit. The event starts immediately after climax, in which you feel nothing but shame and regret and sometimes even suicidal urges. The event could last up to entire weeks before the "Train" derails.
After jerking off to pictures of people in the yearbook and to pictures of my aunt, the Regret Train hit hard. I immediately started attempting many different types of suicide.
by I put pp in your coke December 03, 2017

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