pin porn
Porn that depicts the use of a tiny 'pin' sized penis. Usually in order to make the viewer feel superior about their incredibly small penis.
Paddy: "I don't like porn all the blokes have got a bigger cock than me"
Mick: "you should look at pin porn, makes me feel like I've got a Godzilla dick"
Mick: "you should look at pin porn, makes me feel like I've got a Godzilla dick"