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A period of warm, dry weather following the first killing frost of autumn.
After the cold snap, a pleasant spell of Indian summer weather allowed us to finish building the backyard deck.
by David Bassler April 28, 2006
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Jul 15 Word of the Day
The safeguarding of Earth and other worlds from biological cross-contamination (i.e. billionaires with too much time on their hands).

Also known as “planetary protection.” Planetary protection / quarantine “reflects both the unknown nature of the space environment and the desire of the scientific community to preserve the pristine nature of celestial bodies until they can be studied in detail.”

There are two types of interplanetary contamination. Forward contamination is the transfer of viable organisms from Earth to another celestial body. Back contamination is the transfer of extraterrestrial organisms, if such exist, back to the Earth's biosphere.
Billionaires are having a dick swinging space race while the earth experiences record breaking heatwaves that cause sea creatures to literally cook inside their shells. We need planetary quarantine.
by monkeylabor July 14, 2021
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2
Warm spell in autumn.

"Indian" meant "false" by racist colonialists.

See Indian giver.
Thanks to the Indian summer, I'll be playing softball with my family on Thanksgiving.
by AbnormalBoy May 24, 2004
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3
The phrase used to describe sexing where creamed corn is inserted into a females vaginal cavity.
"Hey Tim! I heard you've been having a lot of indian summers lately."

"Yeah, it makes my dick feel good."

-or-

"You know what I'd like Jaquasia? A nice indian summer, I like when your vagina feels like vegetables."
by timtimyep January 26, 2010
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4
To spoon creamed corn into a woman's vagina, one kernel at a time.
"I saw some cream corn coming from that girls panties! Must have been an Indian Summer!"
by CraneBass January 26, 2010
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