When you get hit with a "no u" You hit em right back with a no W because the no w is pronounced like "no double you"
it is a perfect counter to "no u" use it wisely because when your enemy learns this epic word they will most likely use it against you as well.
person 1:bro ur so fucking gay homosex bastard
person 2: No W BITCH
person 1:oh nOooooooOOOOOOOOOOOOOOOOOOOO i been roasted rip