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1.
The correct way to addess two or more cactus plants. Addressing them as cacti is no longer acceptable as upon hearing this the cactuses feel unloved; cactuses like to be treated as individuals.
Please go and stroke my cactuses for me
by Joniquai January 05, 2004
 
2.
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!
by bsang December 11, 2010