Sinusoidal

[Tina]

Having a [succession] of [waves] or [curves].

[Tanya Shivari]

When someone is moody or [in a mood] usually due to a lack of sex or not having a regular masturbating schedule in place. Derived from the fact that the [sine wave] traverses up and down like the mood of a [bipolar bitch].

[Marquetta]

(of a wave) having a regular smooth repeating pattern