Used to reply to “your mum”. Can be used against someone else however is never actually relevant to the other persons mother.
Person 1 “Your mum”
Person 2 “Your mum also”
Person 1 “damn he got me there”
The person who is reading this has just been log baited. Also used to end a phone call.
Person 1: hey matt
Person 2: what
Person 1: log bait (hangs up)
Something that matthew Cooper has
Hey mate u have no bitches
Damn you had me there