The stinky stuff you find in your belly button, more common in innies than outies.
I was digging around in my belly button and pulled out a big wad of gnur.
When you regret having sex with someone.
We got drunk and had regretsysex.
When someone throws up during sex because they are drunk.
I was so drunk that I puked all over her. Our sex turned into throwupsysex.
Someone who is oblivious, has declining mental facilities, or is simply stupid and cannot recognize obvious things or cannot take on simple tasks.
It's no surprise he gave that gold digger
his ATM pin number--he's so dumb he couldn't find his dick in the dark.
When a kitty kisses you with his or her rough little tongue.
When my cat licks me, it feels like he's giving me sandpaper kisses.
Contracting herpes or any STD from a date you meet using an online dating service.
My ex is so stupid. Right after the divorce she got herpes from a dude she met online. She must have used eHerpes.