Repeated rubbing, especially combined with moisture, cause<unk> <unk> may be caused by clothing rubbing against the skin.<unk> can also be caused by improper or overly loose fitting clothing generating extra friction. Wearing a skirt, especially in hot or humid weather, may cause<unk> in the upper thighs. Wearing leggings or pants can protect thighs from such rubbing. Ill-fitting clothes can cause<unk>  repeatedly rubbing against sleeves, bra straps, or waistband may cause<unk>  A watch strap may also cause<unk>  Obesity is commonly thought to be a cause of thigh<unk>  and in some cases losing body fat may help the issue, but the problem is just as noticeable in athletes with well developed quadriceps and people with tight bone structures.<unk> is quite prevalent among long distance athletes such as cyclists or marathon runners due to the extensive time periods during which the skin is in irritating conditions.<unk> may be caused by the salt and residue left behind after sweat evaporates. If sweat dries and exercise is resumed, the salt may intensify the friction and cause further irritation. Other contributing factors include hot weather, sensitive skin, sand from the beach getting into problem areas, and prior skin irritation. Nursing mothers may develop chafed nipples from breastfeeding, and prolonged exposure to urine or feces and not enough air flow can cause<unk> on bottoms, such as from diapers. Other ways of<unk> includes repeatedly blowing the nose when having a cold or wearing a face mask.
Chafing 
Soiling
Crawling 
Bursting
Nitpicking
Proning
Burping
Punding