by HB Authority December 07, 2006
by primaverabebe May 01, 2010
by batman123456 June 25, 2009
Short-hand for 'half-ball' meaning half of an 8-ball a measurement (usually) of drugs equal to one-eigth-of-an-ounce (approx; 3.5g), effectively making a HB equivalent to 1.75g in mass.
by luccirosso August 09, 2018