" he's quick with a joke and he'll light up your smoke"

Context would help. It sounds as if this guy is very sociable, cheerful, and polite.

He can easily see the funny side of things, and he will light your cigarette for you.

CJ

It's a line from a Billy Joel song called The Piano Man referencing the bartender in the joint. The next line that follows is "But there's someplace that he'd rather be . . ." One of the sadder songs from my youth and young adulthood.

DS

Sing us a song, you're the piano man
Sing us a song tonight
Well, we're all in the mood for a melody
And you've got us feeling all right

It's a lyric from Billy Joel's "Piano Man."

"He's quick with a joke and he'll light up your smoke, but there's somewhere that he'd rather be."

The piano man may seem like he's happy and enjoying what he's doing. He seems happy to be there and happy to help. But not really. He'd rather be somewhere else, doing something else.

If you don't know the song, you should give

It's from the pianoman by billy joel.

He's talking about a bartender, who is quick with a joke, and would light up your smoke, " But there's someplace that he'd rather be "

He's talking about how some people are stuck into their ordinary lives, dreaming of something else-