Bob and Doug Mackenzie from SCTV are believed to have coined the phrase.
lts to refer to someone who has done something stupid or has a history of stupidity. Or sometimes used to refer to other Canadians.
example 2-HAHA I FEEL LIKE SUCH A HOSER SITTIN HERE WATCHIN' REDGREEN SHOW DRINKIN TIM HORTONS IN MY LEAFS JERSEY...
example 3- FLY OFF, YUH HOSER! piss off..fuck off..get lost..you loser/poser/idiot/jackass..
example 4-AW C'MERE YA BIG HOSER AND GIMME A HUG said drunkenly with a keg of molson in hand
That's some mighty fine playing you did on, "Codetta in C" for Hosaphone(tm), Piano & Bass, there hoser!
If we could find a hoser for our brass quintet, we could accompany a Hosaphone(tm) Soloist.
To execute the Doppler effect, the Hosaphone(tm) must be untaped and the bell end swung in a circle over the hoser's head while playing a sustained note.
A couple of hosers wrote this wonderful FAQ on the Hosaphone(tm).