" stamp collecting "

 [ "stamp collecting" ]

1: An frivilous pursuit requiring only time and the ability to repeat things verbatim like a Parrot. See Botany, Microbiology and Art.

  * e.g.,  ... Ernest Rutherford (1st Baron Rutherford of Nelson and known as the "father" of nuclear physics) was quoted as saying: "Physics is the only real science. The rest are just stamp collecting." 

 [ "Stamp Collection" ]

1: A sexual innuendo for the male genitalia sent to a person of opposite sex as a picture who does not want it but receives it anyway.

  * e.g.,  ... "Hey girl, do you want to see my stamp collection?" 

 [ "Stamp Collecting" ]

1: To go from bar to bar collecting hand stamps at the entrances.

  * e.g.,  ... This weekend we're going bar hopping or stamp collecting.