Also called a spoof, sploof, a tube (usually empty paper towel or toilet paper roll) filled with dryer sheets to cover the smell of cannabis.
Dude, use the groove tube or our R.A. is totally gonna bust us, man!
by Monte M November 16, 2006
a bong, the grooviest of groovy mechanisms.
pass me the groove tube dude
by Eyezig August 24, 2008