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1.
A god-like band that happens to include Billy Corgan but that, unlike the bald taskmasker's previous band, is not built around his image. Other than Billy Corgan's unmistakable voice they have a unique sound, but it can best be likened to a more mature Pumpkins completely exorcised of whining and with more guitars (if that were possible). The Pumpkins were a great band, but it's time to move on already! Corgan says as much in his interviews.

Zwan's first album, Mary Star of the Sea, will likely turn off metalhead kiddies but fans of fresh rock music will welcome it. Standout tracks include the invigorating opener, "Lyric", the lament "Of a Broken Heart" and the readio-friendly single "Honestly".
Zwan rock, give them a listen.
by n00b April 24, 2003
 
2.
Zwan is a brand of canned meat products and meat rolls. It is also used as a metaphor for dick due to the shape of the Zwan meat rolls.
Cuz, put a zwan in your mouth.
by XFingrifuread9115 October 16, 2013
 
3.
Zwans is a Dutch word for dick. It is often used by young people in their adolecent fase.
Ik viel van mijn fiets en nu heb ik pijn aan mijn zwans
by laatmaarlekkerlullen March 01, 2010