The phrase "a casual reference" is correct and usable in written English.
You can use it when describing a mention or allusion that is informal or not deeply explored.
Example: "In his speech, he made a casual reference to his childhood experiences without going into detail."
Alternatives: "an informal mention" or "a light allusion."
Also featured is the comedian Sarah Silverman, who makes a casual reference to an embarrassing medical problem.
The first time you hear or read a casual reference to "healthy persons," it is a shock to realize that you are permanently disqualified for that label.
Although there was a casual reference to Huckabee's defense of Josh on last night's interview, their once-vocal supporter has started to step back.
There is a casual reference to three unnamed guys getting "smoked" – but certainly no tragic deaths for any named characters we're supposed to care about.
In recent years, gays and lesbians have joined in, too, acknowledging a same-sex boyfriend or girlfriend by showcasing a desktop photo of the happy couple or dropping a casual reference.
IN the premiere of the new season of "Justified," beginning Jan . 17 a dashing psychopath makes a casual reference to this Kentucky crime drama's signature prop, the Stetson worn by the protagonist, United States Marshal Raylan Givens.
The primary argument that the instructor gave me was that even if a student has "inadvertently" cheated through an initially casual reference, the consequence was large and irrevocable -- forming an indelible mark on the academic record.
Far from being a point of casual reference, the new school of hip hop have embraced the drug as a narrative tool, and key cultural touch-point.
One has to question whether the cartoonist is making a less than casual reference to this when in the cartoon they have police saying after shooting a chimpanzee that "Now they will have to find someone else to write the stimulus bill".
A few casual references to busted marriages constitute the only attempts to explore the characters' lives away from the locker room.
While everyone's attention was fixated on Bill Gates' passage of the Microsoft msft torch to his old pal Steve Ballmer, the more puzzling part of the announcement was the company's casual reference to a new platform that will be the "core" of its all-important software services strategy.
