Cool-De-La means you are on friendly terms with someone (according to the Urban Dictionary). As used by Larry David in hit comedy Curb Your Enthusiasm
T Shirt design reads: Cool-de-la curb your enthusiasm
Our crew neck, short sleeved men's t shirts are 100% premium cotton in a soft pre-shrunk jersey knit. Our women's t shirts are lighter weight 150g tees made with deluxe 30's soft style yarns for a soft feel.