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1.
Referring to a girl who gets it in both holes. (vagina and rectum)
Ross is all for dual exhaust.
Jenny has no clue what dual exhaust means.
by Tules!!!! Representing Apollo February 09, 2005
 
2.
Referring to when a girl gets it in both holes. (vagina and rectum)
Ross is all for dual exhaust.
Jenny has no clue what dual exhaust means.
Dual exhaust is Tyler's word.
by Tules February 27, 2005
 
3.
When you vomit and diarrhea at the same time.
I must have eaten some bad meat cause I just had dual exhaust in your bathroom.
by Steven J. Weed August 24, 2011