|1.||Shitty personal best|
An individual is engaged in a strenuous activity and finds himself/herself in GI distress and on verge of defecating on oneself during said activity; individual still completes activity or event in a respectable time frame or other measurement. Used mostly when referring to athletic endeavor.
Runner: yo bitches I was cruising in my relay race on the A1A and rolling so hard I nearly shit my pants; unfortunately I had to ease up. Still ran a good time, it's my new shitty personal best.
Teammates: you better get yourself to a port a potty ASAP before you actually shit yourself. Just saying.