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1.
A man or woman who is either extremely sexy or can have sex more than the average person.

(Robot of sex= sexatron)
"You want sex again?! You sexatron!"

"Hey sexatron, how are you?"
by Alexandra Peace September 23, 2008
 
2.
A sec maniac who resembles megatron but he has sexual powers
omg guisz! Its sexatron!
by bababablacksheep October 18, 2008