Lifestyle Is it illegal for an NTU Valedictorian to drop the F-Bomb during her Convocation Ceremony? by Yuk Lun Chan / August 1, 2011 No. NTU Valedictorian drops the F-Bomb Yuk Lun Chan Yuk Lun is the founder of SingaporeLegalAdvice.com. He writes articles, runs the website, and enjoys going around talking to lawyers.