2 definitions by NailLover101
If you say something and someone thinks you're lying, they'll say "say mums" and that means if you're lying, something happens to your mum. some people, like me, don't believe in this.
Person 1: Oh yeah my dad got robbed yesterday
Person 2: nah rubbish, say mums!
person 1: mums
person 2: oh DAMN
Person 2: nah rubbish, say mums!
person 1: mums
person 2: oh DAMN
by NailLover101 February 23, 2018
by NailLover101 February 25, 2018