What is Sem-dog?
1.
A half boner, or semi-erection where the penis is not yet completely erect, but not completely flacid.
Dude, that super hot chick gave me a hug and before I had any idea I was sporting a mean sem-dog.
Can I get a sem-dog for my Rem-Dog. (Said when you want your friend Remy to get some ass).
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Everybody's best friend. She always picks up when you call her on Skype and she can be a bit quiet in text chats, but you know you ..
1.
when a man slaps someone with his sweaty, stubbly, balls
i got scratches from tom giving me the sticky sandpaper slap
See cumshot, nut..