What comments do you get that don't bother you?
Feminism has nowt to do with bra burning and hair growing. Not in 2012. Most feminists wear bras (although there was a thread recently that asked why that was) and loads shave their legs/armpits, wax or whatever, and have jolly fantastic swishy haircuts. And wear make up. But there are also a few threads on beauty customs and how much women do to their bodies because they feel they have to conform to society's expectations. So some feminists choose to stop doing x,y or z. And some decide to carry on doing x,y, or z even though they understand that they are only required to do x,y or z because they are a woman (dyeing hair, shaving legs etc) but know that women who rebel in such a way might run into opposition for not toeing the line.
Have you noticed any difference in the way you are treated because you are now a mother? (ie wrt to work - maybe dp/dh expects you to take the day off if ds is sick? Maybe you are the main wage earner and dp is a sahd? You may have experienced a biased expectation on terms of which parent should be expected to provide child care and domestic labour (either from friends or family or more widely in terms of differences in maternity and paternity rights). It's a little early for you to have experienced job related gender differences such as losing out on promotions, or even wrestling internally with whether to do for a promotion in terms of internalised expectations surrounding your now joint role as a mother and worker? Does dp/dh see that your role has changed now that you are parents? Does he spend 1 on 1 time with ds whilst you do other things?
(I'm assuming dp/dh is male as usually people with same sex partners have had to face gender and sexual inequality head on way before 21, whereas for heterosexual couples inequality often doesn't become obvious until later. And even then is so wrapped up in 'norms' that it can be quite heavily entrenched before you suddenly wake up and go 'dang! How did that happen? I was liberated, man!' 
I know nothing about your life though. 
I also wanted to say that many many feminists are sahm.
so that doesn't excuse you. 
Generally, if you believe men and women should be treated equally and have equal rights, you are a feminist. Whether you believe that all fems are hairy bra burners, and whether you identify as one personally, or not. 