A box filled with Booster Packs, anywhere in number from 20 to 40, which can be purchased in order to avoid paying a heavy premium when buying packs individually. Most often purchased by serious gamers in need of cards for booster drafts or sealed deck practice.
Dude I'm gonna buy a booster box of Zendikar so we can practice and own the grand prix.
by Tico420 July 20, 2009
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To espouse a personal opinion or belief without relation to sourced facts or verifiable observations. To backslappingly foist your opinion on others in a jovial, manipulative way, disrespectful of objective truth.
His boosterism, devoid of facts, shows that he has no respect for objective truth or other fact based premises.
by wclay1 July 1, 2011
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Pussy-assed n00b on Modern Warfare 2 organising to ruin online multiplayer by inviting a player onto the opposite team, hide in a secluded area, plant tactical insertions and let one get kill the other 25 times in a row to activate their tactical nuke, so after repeating the procedure many times they can unlock a shitty rotating emblem. Once you locate them and take down the culprit yourself, the one on your team will try to attack you and they will both eventually leave the game whinging.
Guy #1: There's a nuke booster behind that cabin in the north west corner of the map, I'm going to take them out.
Rest of team: OK
by JizzySpunkbubbles December 25, 2009
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when it just won't get to orbit
reject optimisation, embrace MOAR BOOSTERS
by ?mypseudonym? March 4, 2021
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A sex act in which a man will recline the drivers seat of a car, then a woman (or another man, if thats how you roll) will proceed to get on top of said man and drive while engaging in the act of sex."
"Dude is that a sling for your cock?"

Ya, we got rear ended while doing the booster seat, no pun intended."

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by YouSick&$#@ March 18, 2010
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If a person is in the sitting position and needs to elevate themselves they can use fecal matter to help. A person must excrete fecal matter in the sitting position and it causes the person to rise in the seat. The booster seat often causes a squirming sensation.
I went on a dinner date, the girl was taller than me do I had to give myself a booster seat.
by Teamcletus September 7, 2018
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