noun
(informal) Clipping of abdominal muscle .
noun
(slang) An abscess caused by injecting an illegal drug, usually heroin.
verb
(climbing, informal) To abseil.
Abbreviation of abort.
noun
Abbreviation of abortion.
preposition
Abbreviation of about.
adverb
Abbreviation of about.
noun
(US) The early stages of; the beginning process; the start.