A gathering, function, or just spending fun time with people whom you care about, and who care about you, such as family, friends, boyfriends, girlfriends, etc.
It's just a fun, relaxing time that you spend with those of whom you love, and if you're relaxed and comfortable, you let out a contented sigh.
For Thanksgiving, this year, me and my family had a Thanksgiving sit-and-sigh.
by howling lupa December 6, 2013
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