The response someone has to something EXTREMELY AWESOME that includes almost predominantly the word 'wow.'
Teenaged girl 1: I got tickets to Justin Bieber's concert next week!!!
Teenaged girl 2: Really? WOW WOW WOW WOW WOW WOW WOW WOW WOW WOW WOW!!!!!!
Teenaged girl 1: You totally just had a wowgasm.
Teenaged girl 2: Really? WOW WOW WOW WOW WOW WOW WOW WOW WOW WOW WOW!!!!!!
Teenaged girl 1: You totally just had a wowgasm.
by Jim and Pam's Baby March 03, 2010