in the preview for click, adam sandler gets enthuselastic about a passing jogger  we were all enthuselastic when tom bounced; everyone hated him
a feeling of great [enthusiasm] derived from witnessing [bouncy] things
"in the preview for click, adam sandler gets enthuselastic about a passing jogger  we were all enthuselastic when tom bounced; everyone hated him" What is the definition of "enthuselastic"?