Top definition
the act of putting your ass up and your face down on the floor and pretend your have fallen to a deep sleep.

usually used in boring situations.

a type of planking.
"holy shit hes sleepy-ing on the table!"

"dude im bored lets go sleeping at the mall."
by leapfrog123456789 September 05, 2011
Get the mug
Get a Sleepy-ing mug for your brother Georges.