Chiefly East coast of Scotland. "Lots", "many".
"I was at the game last night and there were rakes o' wee schemies hingin aboot outside who wurnae allowed in"
"I've got rakes of pills, anyway, likes"
A baseball player that hits extremely well.
Guy 1: Did you see Josh Hamilton the other day? He went 5-5 with four homers!
Guy 2: Yea man, he rakes.