A science-denying anti-vaxxer who hasn't had a booster jab injected into them in the last 3 months. Usually found supporting Trump and wearing a tinfoil hat to protect themselves from something imaginary.
Person 1: "Hey brother, the wedding is next week. Have you had your 2027 Q3 booster yet?"
Booster Refusenik: " My Q2 booster just expired last week."
Person 1: "Well we can't invite you then sorry. We can't allow science-deniers like you to put the health of our boosted guests at risk."
by Prosciencepro December 25, 2021
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The term is new to commercial rocket engineering, most frequently involving the testing of rocket boosters with cryogenic liquids, like liquid nitrogen. The vehicle becomes covered in ice condensing on the cold surfaces. NASA rarely showed this as their vehicles tend to have insulation that prevents the boosters from becoming frosty. This is more common with SpaceX and other commercial launch testing.
Oh look, a Frosty Booster is on the test pad getting ready for a launch.
by flawedperspective September 17, 2023
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Making an ejaculation come out much harder by squeezing the penis very tightly until it explodes out
She did a Spooge Booster on me dayum it shot on the ceiling
by Flaplaya September 30, 2019
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The act of tricking boosters on Call Of Duty Modern Warfare 2
and killing them with grenade launchers,launchers,and C4.
I just went Booster Hunting on Xbox Live.
by SuperBoosterHunter1 October 24, 2010
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A seat usually used for children between the ages of 4 and 12.
If you're at least 4 years old but under 13, you should be in a booster seat
by Corey Margera is the best February 12, 2022
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When one person in a friend group is a year younger, they are known as “booster seat
Where is booster seat? She is too young to be by herself!
by Schmucky May 3, 2021
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n. The seats on a stage behind a politician where the mindlessly supportive folks sit and nod at every banal utterance and lie.

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As soon as the primaries start we will need to re-inforce the stage and install four more rows of booster seats.
by gnostic3 July 9, 2023
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