Wash her in the sink

The lunch lady led Charlotte, tugging Lauren behind towards a sink. Lauren was forced to shuffle along, only one hand over her bare crotch, her exposed butt waddling out behind her for the whole lunchroom. The lunch lady brought them over to nearby sink.

"Clean her in there." The lunch lady said.

Charlotte turned back to Lauren and, to Lauren's surprise, put her hands on her hips. Lauren gasped as Charlotte easily hoisted Lauren into the air. Lauren's bare legs kicked as Charlotte lifted her up easily, setting the smaller woman in the sink. Lauren's stubby legs hung helplessly over the sides, her butt contacting the cold, damp metal as she stared out at the hundreds of her laughing peers with bugged out eyes...