1 definition by MikeyW8

Top Definition
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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