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Inflatable brain

A euphemism for "penis".
I normally hate chick flicks but when she asked me my inflatable brain took over.
by kongles April 17, 2015
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Inflatable Castle

A bouncing inflatable trampoline house pumped by blowers, leave an entrance at one side, others are closed with inflatable walls and mesh netting. Generally for kids to bounce and jump. It is also called bounce house, bouncy castle and bouncer.
I wanna start an inflatable castle rental business around my area.
by ChannalInflatables July 21, 2016
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inflatable head syndrome

A disease in humans that causes the victim to believe that everything they say or do is ultimately correct.

Symptoms may include arrogance, aggressive behavior, self imposing of deity-like traits, and in some rare cases, jaundice. More case studies reveal that IHS can be linked to anxiety, eating disorders, and other mental health disorders that are similar to ADHD.
Person 1: I've come to ignore President Trump's bravado, mostly because of my belief that he has inflatable head syndrome.
Person 2: Well maybe you have it too!
by robthesaxplayer November 17, 2018
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Unflammable

(uhn-flam-uh-buhl)
adjective

• Impervious to flame, incapable of catching fire, or extremely resistant to flame. This term is proposed to replace "inflammable" and "non-flammable" to avoid confusion due to the dual origins of the prefix "in-" in English.

Explanation: The prefix "in-" in English can have different meanings depending on its origin. It can mean "not" or "without", derived from Latin, as in "incalculable" (not calculable). However, "in-" can also mean "in" or "into", also derived from Latin but related to the Greek prefix "en-", as in "inflammable" (able to be set on fire). These dual meanings can cause confusion, as "inflammable" might be mistakenly thought to mean "not flammable". The term "unflammable" uses the prefix "un-", which consistently means "not" in English, making it a more intuitive, perspicuous, and less confusing alternative.
The new line of camping gear is made from unflammable material, providing an extra layer of safety during wilderness adventures.
by Kichertasche January 31, 2024
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Inflatable Box

An inflatable box is a slang term referring to an inflatable sex toy designed to mimic female human anatomy, often featuring a synthetic orifice (commonly a fake vagina) for sexual use.
"Dave tried to convince everyone that his inflatable box was just a gag gift, but no one believed him after spotting it in his bedroom."
by TCDP December 31, 2024
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National Inflatable Costume Day

May 14th: Dress up in an inflatable costume for a day!
"why are you wearing that"
"bro its national inflatable costume day!"
by o3trapstar March 4, 2023
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Those blow up guys you see outside of car washes and Verizon.
I passed a car wash and saw a wacky waving inflatable flailing armed tube man.
by pinkstreak January 19, 2016
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