The line where your hair starts. For some reason, dumbasses like to make fun of people's hairlines when they don't really matter.
Kid: U HaVe a rachet hairline!
Sane person: Why does it matter?
by Racist21 June 1, 2015
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When the corner of your hairline is receding so much so that it looks like a right angle.
Jake: "Oi bruv, are you losing your hair?"

Rhys: "What?!"

Jake: "Yeah bruv. It looks like a right angle in that corner."

Rhys: "You're right my hairline's fucked."
by Glyndwr February 23, 2017
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Something 🐜ny doesn't have. ROASTED.
by That hairline guy January 24, 2017
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Something that people need so other people don't get blinded and laugh at you.
If you don't have a hairline, you will be the laughing stock in earth!
by maghib2005 November 29, 2016
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