Slang 5: pop

Ronny   : How are u doin' Will?

William: Just so so.

Ronny.  : Do U have a plan after class?

William: No.

Ronny.  : What if we go to the pub?

William: Okay. But, let me pop in your 

                 house. I need to dress up.

Ronny.  : Sure. With pleasure. U can use my

                 Clothes, too.

Willian :  Thanks a lot Ron.

Ronny.  :  Don't mention it.