Tectum

Teenage rectum.

Timmy, get your little tectum back here!

by BarbieBoffer November 08, 2018

Tectum

After a baby loses its first tooth, you take it and shove it roughly inside your asshole

"My cousin lost her first tooth, so I decided to just bust out the tectum. It felt sooo good rubbing against my rectum."

by Matt Markel May 21, 2008