(noun): The act or phenomenon of female ejaculation, i.e., the forceful expulsion of liquid from one's vagina during orgasm. (This phenomenon occurs in a minority of women.)
The act of creating a letter "o" in one hand while vigorously jerking it, in and out, to mimic the execution of a person yanking their penis while watching stashes of pornographic images. ie. during masturbation.
This motion could also be used to make fun of people who seem to fail at life constantly.
Person 1: *does an act of airjaculation*
Person 2: ...........Um, Why the hell did you do that?
Vajaculation is female ejaculation aka squirting. It occurs when a female expels fluid in a flood during an orgasm. It is also known as shejaculation. According to Kinkunveiled, vajaculation is definitely not pee as it contains chemicals which are never found in normal urine and so the vajaculate is definitely a unique substance.