Flassing

To clean the crevice of someone's posterior with floss, spatula, tumbleweed, or any other implements suitable for the task.
Flassing is recommended for people who have a great deal of things stuffed in or up their cracks that they become stiff and obnoxious.
Warning: Consult your physician if you experience rashes, blisters, or any other physical discomfort from doing said activity.
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flassing

(v. pt.) Flossing someone's rear end with floss, gazebos, spatulas, tumbleweed, or any other implements suitable for the task. It is said to have cured some hygiene problems among many odorous high school students.
Flassing is recommended for people who has a great deal of things stuffed in or up their posterior crevice that they become stiff and obnoxious.
Warning: Consult your physician if you experience rashes, blisters, or any other physical discomfort from doing said activity.
Get the flassing mug.