What is Boiler?
1.
Ugly woman
That bird is a right boiler.
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2.
noun; a large protruding gut on a man.
"Look at the boiler on that guy, it's huge"
3.
An ugly woman one would prefer not to service
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4.
Nasty horrible fish faced woman
Boiler, my fucking sister in law...the bitch
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5.
a woman who has reached an age where she is beginning to show signs of wear and tear and, knowing this, seeks refuge in marriage, therefore spending a lot of time dressing her mutton as lamb in order to secure herself a man.
"wow, those girls were so fresh only three years ago. did you see them tonight? The blonde one's wearing stilleto's to shape up her calves, the old boiler!"
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6.
The greatest Limp Bizkit song ever.
Go listen to it. now.