The name you give the fetus when you get your math teacher pregnant and give her an abortion with a protractor
"Mrs Mays: have you got it?"
"Jimmy: yeah, I've got it but I'm keeping it and calling it Matheson"
"Mrs Mays: your really fucked in the head"
by the alpha ogre-lord September 24, 2014
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someone who wants 3d chalk for their birthday so they can draw dinosours...they are turning 16.
jace: what do you want for your birthday?
lucy: I want a matheson.
by ladela October 24, 2009
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he loves to have sex with his nanny and he keeps little kids in his room
by jackkyboy12369 January 12, 2021
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When a family member or family friend constantly late to events that have been well planed for. To the point where everyone the person knows actively plans around said person lateness.
“I’m really sorry I’m late stone!”

“It’s fine Hex, I know you mom is a master at pulling a Matheson special.”
Or

I have ADHD of course I keep pulling a Matheson special.
by Hexed_into_next_year February 18, 2023
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