lagging my tits off
Your computer is so slow it thinks it’s in a marathon, and you're about to throw it out the window.
This computer is slower than a turtle on a treadmill. Lagging my tits off.
I'm waiting for my computer to load like it's the end of the world. Lagging my tits off.
It took my computer 10 minutes to open a file. Lagging my tits off.