wrote instead of ... usually used during an awkward silence or irregular pause during an instant messenging chat, also in rare circumstances may be used in R.L.
during a conversation with Bill
BOB: hell yeh I so got off with bill's GF last night, y'know that dumb blond bitch, wow she is so fit, she was so pissed
BOB: OH SHIT WRONG CONVO!
BILL: dot dot dot