To get completely smashed; pound down brewskies
Dude we are toatally getting whelaned tonight!!!

Dude that kid is totally whelaned, he just fell down the bleachers
by merrrrrrrrrrrrrrrr December 02, 2010
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Irish name : whelan = faolain
translated as: wolf
the whelans where an irish tribe who controlled the deise region of waterford in ireland.
Hot girl: " Did you say your name was Whelan?"
Whelan: "yup"
Hot girl: "wow i heard all Whelans are hung like a horse"
Whelan: "Nah!! its more like a 5 horses"
by Moses666 April 22, 2008
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To drink so hard on a Friday, that you don't recover till about noon... on the following Monday.

or

To be so hungover that you miss work the next day.

or

To raid your $50 a bottle mini-bar.

or

To jump in the pool with your phone in your pocket.

or

To have a great time.
"This project is such a mess, I feel like pulling a whelan and not even showing up tomorrow."

"I thought I had lost my phone, but it turns out I just pulled a whelan with it last night."

"I pulled a whelan with my mini-bar and didn't even make it out of bed for days."

"Work is killing me, tonight I need to go out to whelan hour."

"I drank so much, I thought I had whelan poisoning."

"Why didn't Mike show up for work? He's pulling a whelan."

"I can't wait for this weekend, we're going to take a taxi so we can all get whelan at the bar."
by MikeyW8 June 13, 2008
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an innovator, a pioneer, an inventor, someone that creates something completely new.
by apostropherex October 25, 2010
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some one who whities after 2 hits of weed
whelan is a stupid jeeeeewwwwwwwww
by egtfsw December 15, 2007
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To put forward a false narrative in order to shift blame from a famous current friend to a relatively anonymous, childhood friend or classmate. A truly proper "Whelan" is filled with enough detail that any 12-year old able to use a search engine can debunk the "Whelan" in no more than ten minutes.
You knew Kavanaugh's nomination was done the minute his side tried to pull a "Whelan," resulting in another avalanche of bad press.
by GustavNYC September 24, 2018
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