look up any word, like half chub:
 
1.
a sarcastic term implying "what a load of crap"
or, "bullshit". can also be used as a expression of anger.
: hilary, i did NOT have sex with that woman...
: um... fuck me gently with a chainsaw, bill.

or...

: how was that test?
: fuck me gently with a chainsaw, mike.
by Qwerty April 19, 2004
 
2.
First used (?) in "Heathers" http://imdb.com/title/tt0097493/ , probably more close to meaning "well, I'll be damned" or "Well, kiss my ass".
Heather Chandler: Well, fuck me gently with a chainsaw. Do I look like Mother Theresa?
by Tom999 December 11, 2006
 
3.
a phrase for "i hate my life" or simaraly, "fuck my life" popularized by the eighties cult classic movie "Heathers" starting Winona Ryder.
"you want me to go talk to those losers? fuck me gently with a chainsaw."
by kdrrrgs July 21, 2008
 
4.
basically, "i don't give a fuck"
"it's just heather, why can't we talk to different kinds of people?"

"fuck me gently with a chainsaw, do i look like mother teresa? if i did, i probably wouldn't mind talking to the geek squad"
by heathersssssss April 19, 2010