Bonner is the female equivalent of boner, an unsophisticated way of relaying that a female is aroused.
I was making out with Megan last night, we didnt have sex but i could tell she had a total bonner!

My old lady had a bonner last night but I was so tired I told her I had a headache.
by Imagiveyouabonner January 29, 2012
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Bonner- A real erection as opposed to a lolcat.
Navs- 0MG, GUYS I HAVE A BONNER.
Cool Kid- What?
Navs- Me and Nishi have the same last name I have a bonner!
Cool Kid- R0fltank
Navs- Ok you need to relax.
Ambiqua- I really like small things
Navs- 0MG, I have a R34lly Sm4ll penis!
by B0n3rch4mp January 29, 2009
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That boy was so hot my clit popped a bonner
by BonnieRulz July 11, 2008
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For one man, to love another, in a mainly way. A.K.A. NoHomo.
"Hey dude, I love you" "Bonnerism?" "Completely"
by ralph b October 15, 2007
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Code name for a boner. Normally you say this to disguise the fact that their is an irregularly large bump in your pants.
Paul: Dude, I've got a huge bonner right now.

Army Pete: What do you mean bonner?
by Bobby, Bernie, Paul July 5, 2008
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British English slang for bonnet (American equiv = hood of your car). Listen to M.I.A. "Bamboo Banga"
"Barbarella looks like she my dead ringer
When I'm dogging on the bonner of your red Honda"
by Laccro February 18, 2010
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an ammount of feeling you have towards someone you love
guy 1- "awww i love you"
guy 2- "awww, i love you too"
guy 1 and 2- "big, big, BIG BONNER"
by Bonno1234 June 17, 2009
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