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1.
1. A person whose sexual intercourse style is punctuated by a number of short pauses, asides, series, introductions, conjunctions, quotations, and the like. Oftentimes, a strategy employed to avoid premature ejaculation.

2. A person who is aroused by the above sexual intercourse style, often sporadically.
Benji was excited about her first sexual encounter with Allen, but had trouble finding a good rhythm because he was a commasexual.
by Loco Moco 84 February 10, 2010