Do you know the meaning of "a whole barrel-load of laughs"?

Question

The only gal left is Vaine Gurie, a whole barrel-load of fuken laughs.

Answer 1

"A whole barrel-load of laughs" means that the item/person is extremely funny, however, in that sentence I detect a large amount of sarcasm, meaning that they're making the point that "Vaine Gurie" is not at all fun.

Answer 2

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It must have come from the saying, "More fun than a barrel full of monkeys!" But like the person above me says, it sounds like it might be sarcastic because of the word, 'fuken'.
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