Basically meaning me and you,let's square up and punch the shit out each other.
1. Honest; Straightforward.
- Go (v) (intransitive): (Source: Wiktionary)
1. To fight or attack.
- Square Goes:
1. A common Scottish idiom used to provoke a fight with another. It is implied that such a fight would be conducted fairly, with no input from third parties (such as friends, or weapons).
see also your ma ya bam and wido