1. To rise up again after being hit by a bus (or train) and appear unharmed.
2. to be as tough as Wes Welker*
3. despite being only 5' ft, 9" inches, a lot of toughness in a small package (New England Patriot slot receiver)
Man, did you see that guy pull a "Welker" after being hit?
"That guy is almost as tough as Welker."
"He's a tough little bugger"
by Jeruhalem November 23, 2012
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To mess up something simple that you do right all the time. This usually occurs in a big situation, such as a test, interview or superbowl.
I had three tests last week and I would have had A's but I welkered parts of all of them.
by raffnasty23 February 11, 2012
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When a dependable, highly paid and highly successful co-worker or friend fails to perform a mundane task at the worst possible time. Often derailing a organization or team right before they achieve set goals, resulting in a lost financial opportunity, disdain and regret.

Refers to New England's Wes Welker. A automatic WR with more receptions than any other player in the NFL, who dropped a pass that would have secured a Super Bowl title for the Patriots.
Boss: We're so close to securing the Anderson account, It will be our biggest order in the history of the company and we owe it all to you, Johnson. You are easily this company's most dependable and successful rep. Did you make sure to bring the signing papers I handed you this morning because if this deal is not done today we loss the account.

Johnson: Signing papers?

Boss: You f-ing worthless piece of shit! Are you kidding me? How retarded are you, serious! It's your job to bring the damn papers! I pay you $250,000 to bring the f-ing papers! Jesus Christ, your little Welker incident just cost this company the biggest account ever, You're Fired!!
by Here We Go Brownies! February 10, 2012
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The act of giving oral to a Jones all day long.
Dude look at Alonzo giving John a welker.
by Penis Pumper in NC February 1, 2010
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A slot receiver for the New England Patriots. Ridiculously talented considering he is short and white. Often the ire of opposing teams fans because when everybody else is covered he inexplicably becomes wide open.
I tried to watch the game in peace last Sunday, but all I could say was, "Damn you Wes Welker, sneaky little white man!"
by JB01 December 27, 2007
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A short white man who is inexplicably athletic.
Bounced around the NFL for a while, owning but going largely unnoticed.
Tom Brady's number two target after Randy Moss.
by Ignatius Strangelove November 5, 2007
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A reciever for the New England Patriots, has one of the best porn names for an NFL player
Jim: Did you see Wes Welker last night?
Mike: Jim you know I dont watch porn
by Dougiesgoingdeep January 26, 2008
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