you type @ before their plurk name.

but it has to be their actual plurk name, which can differ from the displayed name

if you go to someone's plurk page, their name is in the address bar up top

yes, what he said!

thanks daftboy. Your karma should go up.

curses! I like my 0 karma

Plam and daftboy should start a 0 karma club!

wait, wasn't the band Boy George was in?

sure, you can make jokes now that you changed your user icon

listen mister, I still have my Boy George look-alike pic. Don't make me use it!