An Acronym for "Put It In My Bums" to express a feeling of Joy,Happiness, Lust or an urge to have it as your own towards an object or person.
Can Also Be Used As Follows:
PIIHB --> Put It In His/Her Bums
PIITB --> Put It In Their Bums
PIIYB --> Put It In Your Bums
Martin: Wow, Look At That New Car
Steve: I Would So PIIMB!!
Martin: Got That Right!!!