Sketchticism

A doubtful, sketched-out attitude; criticism as to the morality or wholesomeness of something. An inclination towards believing something is sketchy.

"Ryan just turned 32, but he's dating a college underclassman for the fourth time in a row."
"Yeah, dating young isn't that bad every once in awhile but I'm sketchtical of his intentions now."

"I feel some sketchticism towards this hot twentysomething asking to be my sugar daddy..."