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Any activity that can be performed while sitting on ones ass. ie - channel surfing, couch potatoing, video gaming.
That "Gilligan's Island" marathon was one serious asstivity.
by Michael T Adams March 06, 2008
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May 13 Word of the Day
lil mad is like big mad but the opposite, you mad but not mad to the extent of pullin somthin
"look im sorry i ate your food"
"is cool im just lil mad"
by lilbabiey November 30, 2018
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Any activity that can be performed while sitting on ones ass. ie - channel surfing, couch potatoing, video gaming.
That "Gilligan's Island" marathon was one serious asstivity.
by Michael T Adams March 06, 2008
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Get a asstivity mug for your boyfriend Paul.
3
The pulsating movements your dog’s anus makes when he or she is about to defecate.
Person A: Are you sure Max still needs to go?

Person B: Yes. He’s displaying a lot of β€œasstivity” back there. He’s going to poop any second now.
by Robert Sacamano November 18, 2020
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4
n (ass-tiv-it-y) - Any activity that can be performed while sitting on ones ass. ie - channel surfing, couch potatoing, video gaming.
That "Gilligan's Island" marathon was one serious asstivity!
by Michael T Adams March 07, 2008
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