1 definition by Atomic Shadow & Smil3kills
When you take your first finger and middle finger and twist them together like your crossing your fingers, but you straighten them (still crossed) and you stick them in your rectum and uncross them. Enjoy
Last night we were doing in and he gave me a smiling caboose.
Please baby let me smiling caboose you!
Please baby let me smiling caboose you!
by Atomic Shadow & Smil3kills August 23, 2013