Like loosing my virginity to an Irishman
Ties in with the stereotype that Irish men are not very articulate or compassionate. If something was particularly unpleasant or an anti-climatic it might be "like loosing your virginity to an Irishman". Another way it can be said with similar meaning is "like having sex with an Irishman".
Person1: How was your first shift at work?
Person2: It was like loosing my virginity to an Irishman.
Can be used in a stern way to cut conversation off as it is something you do not wish to talk about.
Person2: It was like loosing my virginity to an Irishman.
Can be used in a stern way to cut conversation off as it is something you do not wish to talk about.