[nagrom]

Interestingly, 'bowery' is Glaswegian slang for 'come on, then!' or 'bring it!' - indicating aggression [1].

[1] http://www.urbandictionary.com/define.php?term=bowery

[teh_klev]

Here's some others to pick from, my money would be on something to to with New York [1], rather than Glasgow street slang.

[1]: https://en.wikipedia.org/wiki/Bowery_(disambiguation)