Definition of Kiss

Prof .of Economics

Kiss is that thing for which the demand is always higher than the supply. 

Prof. of Accountancy

Kiss is a credit because it is profitable when returned. 

 Prof. of Algebra

Kiss is infinity because two divided by nothing.

Prof. of Geometry 

Kiss is the shortest distance between two lips.

 Prof. of Physics

Kiss is the contraction of mouth due to the expansion of the heart. 

Prof. of Chemistry

Kiss is the reaction of the interaction between two hearts. 

Prof. of Zoology

Kiss is the interchange of salivary bacteria.

 Prof. of Physiology 

Kiss is the juxtaposition of two orbicularisoris muscles in the state of contraction. 

Prof. of Dentistry 

Kiss is infectious and antiseptic.

 Prof. of Philosophy

Kiss is the persecution for the child, ecstasy for the youth and homage for the old. 

  Prof. of English

Kiss is a noun that is used as a conjunction, it is more common than proper, it is spoken in the plural and it is applicable to all. 

  Prof. of Architecture

Kiss is a process which builds a solid bond between the two dynamic objects 

Prof. of Comp.Science

What is a kiss? It seems to be an undefined variable