A female who does selfless and thoughtful acts and, from time to time, shall unexpectedly fall on a man's doorstep with delicious stolen spring rolls, a passionate kiss and soft murmurs on the man in question's strength, virility and overall godliness. Catfights and tardiness are NEVER excuses for not fulfilling said roles.
"I don't need lunch, thanks...I have a girlfriend."
A woman/girl/lady who is dating/going out with/going steady with a man/boy/gentleman. A girlfriend should appreiciate and care for her boyfriend and respect him. also treat him how she wishes to be treated.
"she's my girlfriend"
"i have a girlfriend"
"i love my girlfriend"
"she's his/her girlfriend