Indication that a gentleman has given a vigorous and enthusiastic pounding to a consenting female. This practice often results in ruptions of internal organs and rendering the subject crippled for several days, almost like your gran. To smash the granny you do not need to be fussy. The granny can be smashed out of all of the mainstream orifices including the less popular but equally effective belly button smashing, reserved for ladies of a larger volume.
Tigger found walking and day to day activities challenging and painful after Christopher Robin smashed the granny out of his ring piece (Extract from 'Whinnie the Pooh, can honey be used as lube? - 1954')
by Tom A December 01, 2006