when in an instant message or text conversation, the sender unintentionally screams at the recipient by leaving the capslock on. capslock + accident = capccident
"NO, I WILL NOT...whoa, capccident...sorry...
no, i will not be able to make it to the show tonight."
Accidental capital letters in text.
“ I wasn’t yelling it was a capccident.”
“ it was capccidental”