Top Definition
A competition between two or more couples in order to determine which couple or male or female (depending on the competition rules you set) can produce the most orgams to the designated orgasmee in a set period of time (determined by competition rules).
Horace & Olivia went to Eunice and Adrian's house for their monthly orgasmathonoff.
by Sharon Baron June 23, 2006
5 Words related to Orgasmathonoff

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