A sexual act involving 3 or more consenting participants in which they form a circle consisting of staggered 69 positions(running bricks). Each participant gives and receives oral pleasure from/to different parties.

Fourier series is able to be completed in either an odd or even form.
The professor helped the class through the Fourier series using hands-on examples.

I tried the Fourier Series last night it was really hard to differentiate between everyone but I think there was a model in there somewhere.
by MathLovers May 31, 2017
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