A mental disorder afflicting teenage girls, characterized by extreme highs at the sight of Justin Bieber with marked lows or depression upon hearing of his association with Selena Gomez.
Boy: OMG, Justin Bieber is dating Selena Gomez?!
Girl: WAAAAHH! (The Snooki waahh) FML! I need a drink!
Boy: Someone has Bi-eber-Polar Disorder,
Girl: STOP MAKING FUN OF MY MEDICAL CONDITION!
Girl: WAAAAHH! (The Snooki waahh) FML! I need a drink!
Boy: Someone has Bi-eber-Polar Disorder,
Girl: STOP MAKING FUN OF MY MEDICAL CONDITION!
by SUNRHAE March 1, 2011

Troll: Hey, search the scientific name for polar bear.
Dumb: Okay. *searches* Its scientific name is- OH SH*T IT'S- *f**king dies*
Troll: *trollface*
Dumb: Okay. *searches* Its scientific name is- OH SH*T IT'S- *f**king dies*
Troll: *trollface*
by amogusamoguseverywhere August 20, 2021

To sing random lines in a bunch of different songs out of no where.
Usually very different music styles.
Usually very different music styles.
Matt: You spin my head right round...
Katie: Meatspin song! :D
Matt: Don't trust a hoe...
Katie: I did. <.<
Matt: lol
Katie: </3
Taco: *rapes*
Katie: lol thank you. (:
Katie: ALL BETTAH.
Matt: I hate everything about you, why do I love you...
Taco: Because you're stupid.
Katie: Matt is having a bi-polar music moment..
Matt: <.<
Katie: Meatspin song! :D
Matt: Don't trust a hoe...
Katie: I did. <.<
Matt: lol
Katie: </3
Taco: *rapes*
Katie: lol thank you. (:
Katie: ALL BETTAH.
Matt: I hate everything about you, why do I love you...
Taco: Because you're stupid.
Katie: Matt is having a bi-polar music moment..
Matt: <.<
by KatieIsPrettyCool August 8, 2009

by Gdbnknbbcc October 10, 2021

When you and your friends decide to ride a train on the one friend that still lives at homes mom, during or around Christmas time
Hey Kyle, is Clark coming to the Christmas party? No he is still upset the 8 of us pulled The Polar Express on his mom.
by Larrykernen December 8, 2022

When you fill a condom with shit....human or animal and then place the condom into a freezer until it is frozen. The frozen shit is then used to fuck someone
by RiccoSuave February 8, 2019

/u/kuato_lives: Man, I secretly hate that my partner gives me Polar Bear Head.
You: Well, what is "Polar Bear Head"?
/u/kuato_lives: Cold hands, lots of teeth.
You: Well, what is "Polar Bear Head"?
/u/kuato_lives: Cold hands, lots of teeth.
by User01 February 22, 2014
