obscure-a-thon – n. 1. something completely random, obscure or both. Lisa is dating her brother’s ex-boyfriend. What an obscure-a-thon? 2. Colloquial response to an obscure pop culture reference or culturally irrelevant celebrity. Meredith Baxter Birney is a lesbian?! OBSCURE-A-THON! I haven’t seen Family Ties in years. 3. A shocking group of unrelated items. The latest [...]