When you have to give a presentation but can't quite figure out how to create charts and graphs in powerpoint, so you just use some drawing program like MS-Paint to make your pictures and paste them in.
Nifty gantt chart in your presentation. I didn't know Powerpoint could do that.
To have produced a significant amount of tangible work in a relatively short period of time. Typically associated with writing computer software, but can also be applied to writing reports, documents, manuals, songs, or grants.
Man, I'm on a roll. I just slammed out the rest of that beta code during my lunch hour!
In contrast to "riding my ass", which is when someone pesters you about NOT doing a certain task, this pertains to when someone harps on you about spending TOO MUCH time on a task or project; particularly one involving the upkeep or improvement of a car or motorcycle.
Wife: Another thing; you spend way too much of your free time working on that old junker in the garage!