look up any word, like basic bitch:
 
1.
Anyone who sits behind a someone who is browsing the Internet while continuously instructing them on what to click on or what to type into the address/search bar. Most appropriately applied when the advice or commands are unsolicited and/or unwarranted.
Matt grew increasingly frustrated with Patrick, acting as a Backseat Browser, when he wouldn't stop telling Matt what links he should click on next.
by YoungKenC February 18, 2009
 
2.
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"
by ronnie_space May 24, 2009
 
3.
someone who looks over your shoulder as you browse the internet and tells you where to go and what links to click. An office-mate. he usually will also read the contents of your browsing.
"I was on google today shopping, but John kept back-seat browsing and telling me where to shop. what a back-seat browser"
by Coot77 May 31, 2009