Wiktionary
vb. (present participle of show up English)
Wikipedia
Showing Up (foaled February 6, 2003, in Kentucky) is an American thoroughbred race horse. Foaled near Wilmore, Kentucky, in 2003 at Peter Taafe's Taafe Farm, he was bred by Nellie M. Cox of Rose Retreat Farm. Showing Up spent the first year of his life on Cox's Goochland, Virginia, farm. The chestnut colt was sold as a yearling for $85,000 at the Keeneland September sale in 2004 and was later acquired as a two-year-old in training by trainer Barclay Tagg for the owners of the 2006 Kentucky Derby winner, Barbaro, for $60,000 at the Fasig-Tipton Midatlantic sale in May 2005.
Usage examples of "showing up".
Success is hard enough to achieve without showing up on casual Friday in a three-piece suit.
SKY OR FRY was the slogan showing up on government TV commercials.
All the best people in Noom were showing up because the senator had come on the first night.
Only since you started showing up at every other practice with your mouth spitting venom and your eyes looking envious.