look up any word, like donkey punch:
 
2.
slang for anal intercourse
To entertain someone in your ass
Why don't you bend over and assertain me?
by JMmm June 02, 2005

Words related to assertain

assability assume assumption time
 
1.
slang for anal sex--to entertain someone in your ass
"Why don't you bend over and assertain me?"
by JMmm June 03, 2005