hello, guys

[KELL]

I've a question about conversation

what does mean by " you rotten two-by-four " ?

I don't understand.

thanks for helping.

[Darren]

You might need to elaborate on that.
Do you have the whole conversation transcript?

Usually "two-by-four" is a measurement of two units by four units.
In slang, It means boxed in or cramped space.