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1.
A male who prefers full figured/obese woman as love interests.

One woman may say to another:
"I had a thing for Conrad.. until I found out he was such a whale hunter!"
by Tomanton February 18, 2005
 
2.
a girl that "hunts" very large penises
yeah! she was a total whalehunter!
by thebigboy714 March 07, 2011