Both. I hate seeing the lard ass stewardesses and hate the smell of the lard ass code shares across the aisle. Please god, please don't seat a lard ass next to me.
The worst one I ever had was a code share from Quantas on a CX flight. He spilled over and smelt like a toilet. Lucky for me it was BKK > HKG
Watch out for code shares.
The worst ones I have come across were on a flight out of LAX to HK. They were obese Indians and the BO was so bad that I had to request a seat change. One of the women could barely fit in the seat !!