To slap someone with your flacid penis
"My grandma was being really uncooprative, so I gave her the thunder dan"
by Tom Cannon March 15, 2008
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1) The nickname for the greatest basketball player from Traverse City, MI.

2) A self proclaimed nickname, that anyone named 'Dan', can call themselves. Hopefully, it will catch on, and your friends will start calling you that.
1) Thunder Dan is wicked from 3 point land.

2) Yo bitch, I told you, I will only respond when you address me as Thunder Dan.
by Dan March 25, 2004
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a self reference whenever one is speaking of themself in the third person.
Thunder Dan needs to take a massive dump!
by B.R. March 24, 2004
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The Greatest Track Coach, Geometry Teacher, youtuber, and elliptigo rider in the history of Marquette High School.
No one could keep up with Thunder Dan as he tore up the Milwaukee streets on his elliptigo.

"When I see you... in class"
-Thunder Dan
by thunderdanfanclub May 02, 2019
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The greatest elliptigo riding Track Coach and Geometry Teacher in the history of Marquette High School.
No one could keep up with Thunder Dan as he tore up the Milwaukee streets on his elliptigo.
by thunderdanfanclub May 02, 2019
Get the Thunder Dan neck gaiter and mug.