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1.
A Fart or Queef of epic proportions. The Thunder Bluff can be both heard and smelt from over 1 kilometer away.
"GET A WHIFF OF THAT THUNDER BLUFF!"
by Cundalini February 15, 2010
 
2.
A sex act in which one puts jumper cables on said female's breast, and then precedes to engage in sexual intercourse with said female.
Want to go thunderbluff later?
by YogiBear911 May 25, 2010