2 definitions by can sir

Often used on the internet, cancer is a term given to anything shitty or annoying. The word "Aids" is also used in the same fashion, but doesn't have the same effect. Usually the word "fucking" comes before it in most uses.
-People with fucking minecraft bookbags are cancer.
-I hate golf, it's absolute fucking cancer.
-No, of course not, that's fucking cancer.
by can sir July 20, 2015
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The act of jizzing in your own hand and then quickly slapping someone in the face with that hand.
Nigga, if you don't get me my money I will Cum-Smeck you so hard!
by can sir July 31, 2016
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