Hoho..have shared this one before..
Recipe....
1/Increase cruise level to highest achievable.
2/Raise cabin temperature to around 28/30 for around 10-15 mins in
zone containing the inebriated one.
3/ check offending pax KO!
4/ take the floor for quiet applause from rest of pax!
P.s. result not guaranteed, but once worked for me,at 30W.