1 definition by Lyle Plapp Phd.

Sex act. Both participants start in a standing position facing each other. They both raise their arms above their heads in a full stretch. One penetrates the other and they both lean backward forming a Y shape - a self balancing "segway" like structure.
John snapped his penis off last night in a freak segging accident.
by Lyle Plapp Phd. March 21, 2019
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