To pull out whilst receiving oral sex, cum on your girl's face, then throw a handful of icing sugar onto her face. The icing sugar sticks to the cum, and resembles a freshly iced cake.
Dicksmacker69: "I want to bake some cookies, have you seen the icing sugar?"
Troll: "Yeah, it's upstairs, your mom and I were Icing The Cake last night."
Rubbish. Taken from Brass Eye, where Cake is a new legal drug, and several celebrities (including Bernard \"It\'s a fookin\' digrace\" Manning) complain about how awful Cake is.
Name given to a tea-phobic teen after been hit on the back the head unknowingly, this leads to embarisment as it seems that the cake stain is seaman.
the teen, or 'cake', then realises his hair is covered in 'spunk' after an african friend consults him about it, this leads to cake getting angry with the prankers s he is left embarresed and will forever be known as cake - or shirley