Is the term "financial slaps" used commonly?
Native speaker’s answer
Rebecca
The phrase "a slap in the face" is quite common and is used to talk about something that someone does that insults or upset to you. Here, in this video, he's using the phrase "financial slap in the face" to talk about any unexpected financial situation that would upset your regular life. He is making this phrase up by mixing it with a well known saying, however the phrase "financial slap" is not an idiom or normal expression.