What is Hi-Diddly-Ho?

The act of inserting an umbrella up someones rectal passage, then opening it, usually ripping their ass apart.

Wife - "Hey honey, want to go hi ho diddly?"

Husband - "Sure, what is it?"

Wife - "Ill show you..."

Rrrrrrrrrrip...

Husband - "AAAAAAAAAAUUURGH!"

Hi-Diddly-Ho - meme gif

An exclimation used for greeting one's neighbour.

Hi-diddly-ho neighbourino!