যেকোনো শব্দ খুঁজুন, যেমনঃ fluffer:
 
1.
The act of laying on your back on a bed while feet are touching the ceiling.
Hey Bre watch, I can do a butt-up and touch my feet to the ceiling! lets call it butt-uping
লিখেছেন- Brallie 21 de জানুয়ারি de 2013