madlad
What does madlad mean?
A term of affectionate awe for someone who actually went and did the unhinged thing. Wore shorts to a wedding. Replied-all to the entire company. Bought a house at 22 with a credit card. r/madlads is the museum, and the comments are always some variation of 'absolute madlad.' British-flavoured in origin, fully internationalised now.
Origin
British slang ('mad lad' = wild guy), popularised on Reddit via r/madlads (founded 2014). 'Absolute madlad' is the canonical phrasing.