Wiktionary
basket toss
n. (context cheerleading English) A stunt in which three or more bases toss a flyer into the air.
Wikipedia
Basket toss
A Basket Toss is a stunt performed in cheerleading using 3 or more bases to toss a flyer into the air. Two of the bases interlock their hands. While in the air, the flyer does some type of jump, ranging from toe-touches to herkies before returning to the cradle.