MRSA, spent a week in the hospital on IV antibiotics for this infection. If I stood it would drain on its own. Gave him a squeeze and a long black string came out. Surgeon, told me it was a vein. Had to pack it for two weeks after.
I had a healed pimple on my face from 2 weeks ago. It had a tiny scab left and the area felt hard as a rock. Being the picker I am, I gave it a small squeeze and Bam! This surprise squirted out. I was impressed.