When the sound of one's orgasm most resembles the sounds he/she would make when having a seizure.

The phenomenon of having to come out as bisexual to the same person/people repeatedly because they assumed or hoped that your sexuality was a "phase." Refers less to the holiday and more to the 1993 Bill Murray comedy film in which the main character experiences the same day over and over.

(n)- To ejaculate uncontrollably during any given time

An involuntary bodily spasm resembling the pleasant sensation of an orgasm in another part of the body that would not usually experience orgasm.

adjectival derivatives:

spasmgasmic
spasmgasmical
spasmicgasmic
spasmicalgasmical

When the sex was so good it takes a few days for your toes to uncurl.

When you spaz so hard you have a orgasm