An individual in the top 10% of the cutest male/female population at work. Said individual is in the 40 - 70% cute range when compared to the general population. Ergo, beneath your notice in the real world, the economy of hotness in office environments allows one to define a member of the opposite sex as work cute.
"Chuck is cute, you'll like him!"
"Really? I like hot guys!"
"Ok, he's not hot-- but, like work cute"