GOCM: Good old Caitlin Moran

From an ancient Times article RE personal ads:

“The most pitiless of all phrases, however, is “GSOH” …having to tell someone that you have a good sense of humour — that you are amusing — is like having to tell someone that you are beautiful, or treading on their toes. If you are, it should be apparent to them. They, in fact, should be telling you. For the majority of profoundly humourless advertisements, the addition of “GSOH” is like finding a slipper-shaped present under the Christmas tree, hopefully, but ultimately incorrectly, labelled “bicycle”.”

Here is the rest of it.