gonna gotta gotcha wanna dunno

Here is an excellent link for these expressions: BBC

And here are some of my examples ------------------------

What are you going to do tonight ? == WATCHA GONNA do tonight ?

I don't know. == DUNNO.

What do you want to do ?? == What do you WANNA do ?

I was going to go to a movie. == I was GONNA go to a movie.

Which one ?

I don't know. == I DUNNO.

Well you have to decide. == Well you GOTTA decide on one.

How about "Source Code"?

Great. I agree. == GOTCHA!