Definition

A portmanteau of 'what the' and 'fail,' deployed to express shock, confusion, or exasperation at someone's ridiculous take or action. Like 'WTF' but with a little extra oomph.

Example Usage

Person 1: 'I love you, man.' Person 2: 'Wtfail, buddy.'

Source: Urban Dictionary (https://www.urbandictionary.com/define.php?term=wtfail&defid=3621989)