The plug is part of the cable, the socket is part of the device. The geometry of the connector itself is irrelevant.
https://www.homedepot.com/p/Leviton-15-Amp-125-Volt-Locking-...
But sure, keep with the 6th grade penis joke instead.
And viewing it as a 6th grade penis joke is more of a 6th grade penis joke mentality than just using male and female. We use allusion all the time to use words to mean different things in different contexts all the time.