[rolling_stone]

what jurisdiction does senate ethics have? methinks none
https://www.ethics.senate.gov/public/index.cfm/jurisdiction

[stylin19a]

??? couldn't find a constitutional definition of disorderly behavior. My guess is it's whatever the senate or house says it is.
Article 1, § 5, Clause 2 of the United States Constitution “Each House may determine the Rules of its Proceedings, punish its Members for disorderly Behavior, and with the Concurrence of two thirds, expel a Member