When it’s a girls first time giving blow and she doesn’t realize you’re supposed to suck, and instead she blows. This causes your dick to rapidly inflate which will greatly increase the psi inside of your shaft. To prevent any future issues you can dick-burp.
“Bro my girl gave me a BloatJob and I couldn’t release all the trapped air. When I went to the hospital they had to stick a straw down my urethra to get the excess air out”