To bring to orgasm without genital or phalangeal insertion or dilation. Applies to both male and female of the homo sapiens species. Is most notable in transsexual / hermaphroditic states of existence. Peh-ner-cue-late penerculation, penerculator, penerculated, penerculative etc.

the whale tail is the shape formed when a g-string rides up high over a womans trousers