1) Acted the informant 2) Became a stoolie 3) Informed with on 4) Like some hair 5) Named names 6) Sang 7) Sang to the cops 8) Sang to the man 9) Squealed 10) Tattled, gangwise 11) Tease a Red who squealed 12) Turned informer 13) Was a fink 1) Sang 2) Snitched 3) Tattled 4) Told 5) Told on 
• (imp. & p. p.) of Rat
Ratted is British slang for intoxicated, drunk.