Strenuous action. To exert a lot of force causing fatigue, tiredness, exhaustion, and possibly pain. Female equavelent to the male term "Bust a nut"
by JimNC July 3, 2006
by Smackum Yackum March 8, 2013
Analogous by gender context to the common phrase "busting your balls." Playfully giving a woman a hard time.
by Mr Tasty May 5, 2009