Someone who stands behind you looking over your shoulder while you're surfing the web and annoyingly suggests and dictates to you where you should click and visit next.
Sarah is checking her ebay auctions online...
Barry: "Sarah why don't you go to urban dictionary and add a new definition - for Backseat Browser"
Sarah: "No why don't you when I'm done"
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The "backseat dm" or "backseat dungeon master" brings a thoroughly marked and noted rulebook, and is quick to jump in whenever a rule is broken or ignored.
The nerd/D&D version of backseat driving
Player 1: That's not really how it's done, but I'll allow it.
Player 2: Wait a minute! That's against rule 534 on page *flips open rulebook*
P1: I'M the DM here. Don't backseat dm me.
Throwing her that dope game while in the backseat of your car.
Susie came over but my parents were home so I parked the car somewhere and gave her that backseat freestyle.
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a person who watches you play Farmville from over your shoulder and constantly gives unwanted/unneeded advice pertaining to your farming abilities
Trent doesn't even play Farmville, yet he is always being a backseat farmer by telling real farmers what to do.
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A member on a web-forum acting as if he or her is an admin, without being so.
John: Look at this video "inappropriate-content"
Bob: That is blasphemy! Have a nice holiday!
John: Oh, please Bob, stop being such a Backseat-admin.
11๐ 1๐
A person who gets excited over other people's future or current purchases. Usually an enthusiastic shopper for themselves as well.
Can also be used as an adjective and verb.
"I'm such a backseat buyer; I love helping my friends choose stuff as much as buying something for myself!"
"Whenever I think about getting a new gadget, my father goes backseat buyer."
"If you don't stop backseat buying right now I'm going to smack you."
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a person sitting in the backseat of a car who critcizes the driver's driving.
Who cares if i ran a red light? Stop being a backseat driver.
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