Not so bad as some things mentioned, but annoying all the same...
Pax clipping toenails and leaving them on the floor (eewwwwww!
)
Getting your mate to watch your luggage so you can get away with not paying excess (don't think I don't know it's yours... I'll just charge yer mate instead...
)
Pax pinching the FA's butt... (like, what makes you think that's ok??)
Flogging drinks off trolley when FA's back is turned (don't think she didn't see you either!) just don't ask for a coffee later you may get more than you bargained for....
Geez some pax are so gross...