Euphemism for mastubation
. Orginated in the Harry Potter
fandom. It comes from the fact that to gain entrance into the school kitchens, one must tickle the pair on a painting of fruit guarding the entrance. Hermione Granger
learns this when the Weasley twins
let the secret slip.
Harry bit his lip, trying not to let a whimper escape as he tickled his pear, fantasizing desperately about Dobby the House-elf.