I
- iceberg
- a regular winter swimmer
An individual who actually likes swimming in spanner water.
an aussie institution since the 1930s
- icy pole
- a frozen lollypop
- identity
- an odd, interesting, or well-known person
Often reported as a well-known racing identity when referring to a suspected criminal.
aussie slang since the 1870s
- idiot box
- television
- iffy
- of a suspicious nature
- illywhacker
- a small-time confidence trickster
Memorably revived by Peter Carey in his novel of the same name, published in 1985. It's origin is uncertain, possibly from pig Latin or backslang.
underworld slang of the 1940s
- in a tick
- very shortly
- in fine feather
- full of vitality and spirit
- in it
- anything done in the company of others
The it that you may be asked to be in may be physically or alcoholically exhausting.
Will you be in it?
Go on, be in it!
Goin' fishin' next Tuesday—be in it? - in like Flynn
- assured of success in an enterprise
Originally meaning assured of a sexual conquest. Referring to aussie actor Errol Flynn, well‑known for his sexual adventures.
Interestingly, this term has been in use in the USA since the 1940s, but only in the non‑sexual sense.wwii slang
- in the chair
- the person buying the drinks
- in the know
- having inside information
- in the raw
- naked
- in the shit
- in trouble
Also, in deep shit meaning in serious trouble. - in the sticks
- in remote rural areas
- in the wars
- going through a period of trouble, illness, or the like
- in two shakes
- in a short time
- irrits
- irritation, annoyance
- iron lung ∼ wouldn't work in an iron lung
- extraordinarily lazy