wide grin

amusement boy cachinnation cackle caucasian cheerful chortle chortling chuckle chuckling contagious content crack crow crowing ecstatic excited fit friendly funny geek geeky gesture giggle giggling glee gleeful grin guy happy hilarious hilarity howling human laugh male man merriment mirth nerd nerdy peal person pulling rejoicing smile snicker snigger teeth up upbeat weird welcoming white wide