Australian rhyming slang used to describe a male getting so excited over something or someone that he gets an erection, or fat. A larrikin is a likeable rogue while an erect penis resembles a hat, hence the term larrikin's hat.
I couldn't help getting a larrikin's hat every time I looked at it.
A boiler refers to an unattractive older woman who is only good for the pot, as in having to cook an old chook in boiling water to make it tender and more eatable. The expression old chook also refers to a boiler and can be used in the same context.
There's not much to look at here just a couple of boilers.
A king of sleaze.
Whatever you want, the sleazemeister can get it for you.
Crook is Australian slang for feeling sick as in, "I'm feelin' real crook, mate." It can also mean something that is distasteful as in, "That's crook!" Rookwood Cemetery is located in Sydney, Australia, so something must be real bad or rotten to say it's as crook as Rookwood.
"Mate, seriously, she was as crook as Rookwood."
An Aussie male is called a bun protector when he stops every other guy in the room from talking to a very available and very single girl.
No one can get a look in with that good sort with that bun protector hangin' around.
The most annoying person in a pub or bar.
Here comes the pub pest. I'm outta here!
Aussie vernacular for a problem that has been solved or sorted.
We had our differences but we got it sorted.