BBL (Be Back Later)
(Internet chat slang) I'm away from the computer now and will return later
Barrel (unit)
British Basketball League
bbl
Noun
1. any of various units of capacity; "a barrel of beer is 31 gallons and a barrel of oil is 42 gallons"
(synonym) barrel
(hypernym) United States liquid unit
(part-holonym) hogshead
(part-meronym) gallon, gal
bbl (barrel)
barrel, drum, cask; tube of a gun; round container
BBL
Environmental Protection Agency, U.S. government agency that sets and enforces standards for protecting the environment, EPA