The lapse in concentration that occurs at the point of sexual euphoria, just as some pearl of wisdom (not THAT kind of pearl) or other verbal exclamation escapes one's mouth - the conjunction of which causing the one experiencing said euphoria to trip over their words.
Him: "aw yeah baby, aw yeah, who's your daddy? Who's yuh ... yuh ... aw yeah ... "
Her: "Thanks honey; that fuck stutter completely killed any inclination I might've had to orgasm."
An event during shagging in which one shagee suffers a mental interruption such as fleetingly noticing a pustulating spot on their co-shagger's forhead where the interruption is great enough to cause them to have to stop for a short period whilst they get back into the mood.
In the time frame of when you're about to get laid when both naked partners look at eachother and feel an awkward moment. (Often occures with virgins and inexperienced indiviguals)
Home slice loses his erection, looks down and says "Dayum Lucretia this nevah happens to me..." suddenly he's back to prime and finishes his statement with; "musta' been a fuck stuttah." Continues with his mission.