shitty hands
An insult often used to tell someone that their hands are dirty like and they should get them off you
"Get your shitty hands off of me."
shitty lunch hands
when someone just ate their nasty/greasy/smelly/messy lunch and then proceeds to touch your hair, shake your hand or touch you in another way so as to wipe all the nasty crap they have on their hands on you. sometimes people do this by accident, but most likely not.
shana comes and starts touching diana's hair.
diana: hey wtf?
shana: what?
diana: your shitty lunch hands are touching my hair.
shana: oh sorry. fml.
diana: hey wtf?
shana: what?
diana: your shitty lunch hands are touching my hair.
shana: oh sorry. fml.