Taking a bow, or feeding a cow. Matter of fact I got it now

https://www.youtube.com/watch?v=WA1h9h7-_Z4
have you seen this Australian advertisement before? It's for Australian beer.
it's really good.
please let me know what you think of it

these men are very manly

I like that

You've sure got a thirst.

A hard earned thirst needs a big cold beer.

And the best cold beer is WET. WETFISH BITTER

You're treating their sprains.

Or fixing the trains.

Or trying too hard to come first.

You've sure got a thirst.

a long cold Vic
it can come at any time

what do you think they mean by it?