What does causually mean?

"Causually" is not a standard English word. It's likely a misspelling of "casually," which means:

* In a relaxed and informal way:

* "They were chatting casually about their weekend plans."

* "She dressed casually for the picnic."

* Without much thought or effort:

* "He casually mentioned that he was moving to a new city."

* "She casually flipped through the magazine."

If you meant a different word, please provide more context.