Penciled in 

Someone who has been scheduled for a fuck.

"You busy tonight?"

"Yeah sorry. I've penciled in Kristin for an hour before work."

"Cool. That chick is a total freak."

"Yup, yup."

Penciled in by pH Balance January 25, 2008

penciled in 

1) to have a temporary plan to do something with someone.

2) to insert your penis into a butt and/or vagina.

1) "Your appointment is penciled in for 7:00."

2) "I was penciled in with Sarah last night."

penciled in by awkbitch July 27, 2013

pencilled in

Tentatively scheduled or tentatively planned. Sometimes used to give the appearance of wanting to meet when no such desire exists.

Ok John, I've got you pencilled in for two o'clock on Thursday unless something comes up.

pencilled in by Way Cool Rich May 21, 2007

pencilled in

When something is not completely confirmed. Like if you use a pen it's confirmed. Pencilling in is a maybe.

" Did I book that music video?"

"They have you pencilled in."

pencilled in by Sass o'clock November 30, 2015