ultraertia: in erotic/sexual usage ultraertia is an excess of either intensity or multiplicity of responsiveness or arousal at the proceptive phase. It may or may not continue into the acceptive phase. It is experienced subjectively as strength, urgency, or incessancy of desire or drive. Manifested as girl-watching, it is an obligatory component of the macho stereotype.
Antonym,
inertia.
Dictionary of Sexology Project: Main Index