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 Statistics :
Kiss is an event whose probability depends on the vital statistics of 36-24-36.
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