'Going down on a guy' refers to felatio or a 'blow job'- sexually pleasing a male using oral stimulation on the penis 'Going down on a girl' refers to cunnilingus or 'eating out a girl'-sexually pleasing a female by orally stimulating her vaginal area
It could mean that you caught his attention! But you have to check how this guy normally acts to really tell if he likes you. Or you could ask him but only if you we're really confused about things.
Chances are it means: Have you had oral sex with a guy?
that his going to have sex with u
You're dating.
He wasn't watching where he was going
Type your answer here... kill you
it doesnt mean he likes you.
It could be coincedental but it may also mean that he is interested in you.
It means he is going to show you his stuff
stop freaking out and chill
it means he does not like you. or you are an easy target to pick on.