What is Blow My Wad?
About to come like kilamanjaro
Whispering in class
:dude did u see katie today
:if i have another class with her i might blow my wad
Spend all my dough. Fun to use because it makes sense with this definition, but of course sounds as if you're referring to the other sense of the phrase.
(to the cashier at the Gap) Wow! I came here for the sale and didn't expect to blow my wad!