Geometry professor: Kiss is the shortest distance between two lips
Physics professor: Kiss is the contraction of mouth due to the expansion of the heart
Algebra professor: Kiss is infinity because it's two divided by nothing
Chemistry professor: Kiss is the reaction of the interaction between two hearts
Physiology professor: Kiss is the juxtaposition of two orbicular oris muscles in the state of contraction.
Dentistry professor: Kiss is infectious and antiseptic
Zoology professor: Kiss is the interchange of salivary bacteria
Accountancy professor: Kiss is a credit because it is profitable when returned
Economics professor: Kiss is the thing for which the demand is always higher than the supply
English professor: 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
Architecture professor: Kiss is a process which builds a solid bond between the two dynamic objects
Computer science professor: What is kiss? It looks to be a undefined variable
