Weathervane 

A politician who has a frequent change of opinion. Flip flopper So named because both always change direction.

Mitt Romney has become a weathervane since running for president.

Weathervane by Ted Merriman November 16, 2007

perfectly lubricated weathervane

A petite sex partner who is so wet he or she can be spun around with ease. A spinner.

Mischa was so turned on the other night she was like a perfectly lubricated weathervane.

perfectly lubricated weathervane by Hobbs_fan January 31, 2012

Weathervaned 

Originally originating from the game Wide World (where when a 6 is rolled the players are moved on the weather vane across the board, invariably where they do not want to go), weathervaned means to be generally beaten, owned or pwned, often unexpectedly.

1
Jeff: I'm only one square away from winning
Andrew: (Rolling a 6) WEATHERVANED!!!!

2
Reginald: Hullo, may I join you in partaking in this game of basketball.
Jamaal: No. (Hurling ball in Reginald's face) WEATHERVANED!!!!!!11!one!

Weathervaned by JuPitEer November 22, 2009

No Fair-Weatherness 

Means weather the Steelers or any Pittsburgh team is having a bad game or season you still root no matter what. No fair weatherness. CRAZY ITAILIAN GUY 96.1 Kiss Mikey and Big Bob

I am not giving up on a the Steelers , no fair-weatherness here!

No Fair-Weatherness by Joe4055 July 23, 2014

weatherman 

A bloke who makes all the girls around him wet.

Hey! Did you see that weatherman last night? He left with three girls.

weatherman by the real uncle g December 2, 2019

arthur the weatherman 

A video on youtube featuring a black weatherman named Arthur, who has a hilarious laugh.

arthur the weatherman: Pretty much everywhere, it's gonn' be hot.
News Reporter: Then I won't need a jacket!
Arthur: eh HYEAH HYEAH HYEAH HYEAHHAH
News Reporter: Hehe, thanks Arthur.

arthur the weatherman by YoutubeNerd December 18, 2009

Facebook weatherman 

When people post status's of the weather outside..

John: Its snowing hella hard outside!

Alex: No shit dumbass.. quit being a facebook weatherman

Facebook weatherman by ThisniggafromEK February 19, 2011