Nick: Man, I went for her but she didn't dig me.
(1)Charlie: I'm gonna get some of that duddy myself.
(2)Josh: Nick, you're a duddy!
Nick: Man, shut up!
(3)Charlie: Hey duddies, lets go chill at the park.
Mike: nothing much on my way back from my girlfriends house.
Jake: you should pick up duddies on the way back.
When texting: I'm soooo -_- !!!!!!
either use is correct :)