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1.
For a posh English gentleman to be overwhelmingly drunk, usually on bourbon.
Results can be throwing up, disjointed breathing, descent into a state of paralysis, throwing up, slurred speech, embarrassing comments and throwing up.
Pyjamad, bookcased, bungalowed, trollied and wellied are also appropriate phrases.
"Good god I was outright gaziboed last night, old boy"
by Phil McAvity 1234567 February 27, 2013
 
2.
Being very Drunk.
I was totally gaziboed last night.
by Clive - O March 01, 2009