Face From Behind Edit Meaning

1. Laughter + asthma A conditionin which a person will often have an uncontrollablelaughing attack. The symptoms of this attackinclude, b..

1. This term was first introduced in the 1970's as pants got tighter and tighter. The term "zarek" defines the outline of a..

1. The coefficient of friction. A frictional force is equal to µ multiplied by the normal reactive force...