Top definition
Treating a girl like shit in order to manipulate her into finding you attractive, at least for a day or two. You completely disregard the females feelings to control her.
Sohil, you were flassing too hard back there, I thought she was going to slap the shit out of you.
by Dyingforsleep November 19, 2012
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2
1.flossing one's ass.

2.To floss an ass.
"Robin likes to Flass his mom"

"Where is Sanders? He's flassing"

"Sure am Glad I'm not flassing....like Robin is in the Gazebo...with his mom"
by Cyrus224 October 12, 2005
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3
1. To floss inbetween buttcheeks with a variety of different things.
2. A form of torture (see 1.)
3. A sexual position (see 1.)
Robin enjoys flassing his mother with a gazebo.
We'll make them talk by flassing them into confession.
Don't stop flassing me!
by larry says hi October 14, 2005
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4
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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5
(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.
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