Place it just after the setup line in a prank edit, then follow it with a shocked sound for the reaction and an oh no no no laugh to close the scene, keeping the confession as the turning point before the group reacts.
このサウンドについて
This is a short Dutch voice clip, lasting about two seconds, in which a speaker plainly says 'Ik heb een erectie', meaning 'I have an erection'. The flat, deadpan delivery makes the blunt confession feel awkward and cheeky rather than crude, landing as a sudden, embarrassing admission that catches listeners off guard and turns an ordinary moment into an instant laugh.