Cactusism is a religous belief in which there is no God. The symbol cactusists worship is the fine multi-cellulared organism that grows in hot climates, cacti.
I believe Cactusism has brought me to the light in my life.
When someone must buckle down and do work before large exams, essays, or tests you would cactuse oneself. It is the imaginary act of shoving an unlubricated cactus up your ass hole.
This exam is going to be so hard, I really need to cactuse!
The act of taking a little prick out of you.
Jenna was fed up with Bobby's lack of enthusiasm so she reverse cactused him.
When you shove a cactus up your ass
My favorite pastime is cactusing
Usually referred to when having intercourse with ones friend
Me and my other friend were cactusing last night
The degree to which one finds someone or something in trouble or broken. (Australian slang; verb of cactus).
Lyn's reply was rather laconic, given the severity of her cactusness.
When you get a shirt that has the same cactus repeated all over the shirt. If the shirt has multiple species of cactus then the appropriate term would be cacti.