Down to the last two.
16a Trump at first is less obnoxious around one - moves off craftily (4,4)
?E?S ?A?L Mess Hall? But I don't know why.
19d Slanderous stuff hit hard - good for pain in the a*se, perhaps (3,4)
M?D ?A?H Mud Bath? But I don't know why.
Thank you.