Have you ever had a cold sore on your lip? If yes, then you would not get genital hSV 1 from receiving oral sex.
This bump is a little concerning though I think really unlikely to be herpes. Nonetheless, I think if you can, you might want to get seen today to get it swab tested if a clinician that you see has any concerns it is herpes . My guess is that this is a pimple. I’m a little confused about what I’m looking at also. Are you uncircumsised? Does this bump look like a pimple to you?