The period of time where sex (usually heterosexual penetration) is so boring that you'd rather pay attention to the guy's conveniently positioned fish tank than actively engage in sex.
A: "Hey, I heard you and Tom hooked up last night, how'd it go? Is he worth a go?"

B: "For someone who's so experienced, there was way too much fish tank time. Would not recommend."
by lotsofusefulwords December 5, 2015
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