Top Definition
The sound you make when farting into the toilet bowl, sounding like a whale calling.
Wow, my stomach hurts. I was whalebacking all day yesterday.
by 2rsvold April 28, 2016

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when ones back is covered with excessive amounts of fat; usually oozing puss or Flem. it occurs only on women and not men.
"yo bro check out the whaleback on that chick, man."
"i know, i almost touched it's back ooze by mistake."
by lonelysponsor February 07, 2012

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