sob

Multiple Entries:
  sob    s.o.b.  

Concise Oxford English Dictionary © 2008 Oxford University Press:
sob/sɒb/

▶verb (sobs, sobbing, sobbed) cry making loud, convulsive gasps.

■ say while sobbing.

▶noun an act or sound of sobbing.

– derivatives
sobbing adjective,
sobbingly adverb.

– origin ME: perh. of Du. or Low Ger. origin.

Concise Oxford English Dictionary © 2008 Oxford University Press:
s.o.b.

▶abbreviation N. Amer. informal son of a bitch.