flippin 'eck
A phrase often used in inner city London schools, as children in this area avoid the use of derogatory language.
"Flippin 'eck Tucker! Ye've only gone an' nicked me chipper!"
flippin eck
actually says fuckin heck, but the "fuckin" got censored into "flippin" and the "h" of heck just fades away when you say it fast.
Flippin eck! that bitch stole my celly!