<unk>  may refer to:<unk>  (solar energy), the accumulation of material on light-collecting surfaces in solar energy systems *Fecal incontinence, a lack of control over defecation *Encopresis, involuntary fecal incontinence in children *Fecal leakage, a type of fecal incontinence in adults causing minor staining of undergarments
Soiling
Bursting
Burping
Nitpicking
Chew and spit
Proning
Bread loafing
Chafing 