math pro bono

A public service (that usually lasts all year) in which you voluntarily take time out of your day to help your buddy pass math class. Most common math pro bono's involve one American student and the foreign kid he's grown fond of and befriended.
Foreign Kid: "Yo dude I don't get this shit! What the fuck is teach talking about when he says cosine of 30 degrees?"

American Kid: "Get your calculator. All you gotta do is put in 'cos(30degrees)' and you'll get '0.866025404'. Simple dude. Are you going to be my math pro bono all damn year?"

Foreign Kid: "Yeah dude, we don't do math in my country."
by westfalia January 12, 2010
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pro bono prostitute

Someone who'll have sex with anyone, anywhere, any time
i am a pro bono prostitute
by Bob Jefferies October 09, 2003
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Quid pro bono

Where a service is provided on its face pro bono (without payment), but the length of time spent and the complexity of the service means it is likely there is a quid pro quo settlement of the debt occurring somewhere quietly in the background.
The lawyers were acting for the defendant pro bono, but people suspected that it was actually a quid pro bono arrangement as there was no way the lawyer would work for that guilty defendant for free for so long.
by Mezmerina December 19, 2023
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