sierominus 

1.- dickless

2.-
siero
{dick, john, penis}

minus
{the absence of, not there, lack of}

You're such a sierominus.

sierominus by Renee Jordan March 3, 2007

Sireminus 

When you are having sex and you pull out and say "you don't want to ruin the friendship" and then leave

Mark: how did things go with Alice
Ben: she was crazy so I had to sireminus her

Sireminus by Weirdo360 November 20, 2018