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5.
when a girls nipples get hard
by Az December 14, 2002
 
1.
The act of taking posession of another's claimed object, while knowing the ownership of the object.
It's like when you go after someone else's chick.
Bird-doggin' someone's ice-cream sandwich
Bird-doggin' someone's job.
by MOT May 20, 2003
 
2.
Intensely looking for some chicks; preferably in a convertible.
"Hey Tom, let's hop in the convertible and go bird-doggin' down by the beach.
by Brennan G May 07, 2007
 
3.
1) When a man takes it upon himself to pine after or pursue a female in such a way that may result in dating and or marriage.

Note: Late night Bird Doggin may be referred to as "Boon Doggin"
Hey Matt, I saw you Bird Doggin with that girl yesterday.
by jake d+matt h July 09, 2011
 
4.
Like sand baggin but worse. When you unknowingly sand bag a person.
Bro, You've been Bird Doggin' me all night with these pans!
by Soap Sally June 18, 2014