To be soundly beaten; pwned/owned; utterly defeated; beaten severely
The term comes from the idea of gingers (people with red hair and fair skin) being inferior and/or worthless. See also: beaten
like a
red haired stepchild - this ginger version
may be more commonly used in the UK.
"I've never played this
game before; I'm going to get beaten
like a ginger stepchild by her."
"If I come home late again, my dad is going to beat me
like a ginger stepchild."