if its a good looking woman: tell them you make amatuer porn and are always on the look out for new stars.
if its not a good looking woman: tell them you make amatuer porn and are always on the look out for new stars. (im not fussy

)
if its a family member: tell them i write html, php, css, mysql, python, perl, ruby on rails , place any other programming language in here till they get bored
if its a bloke tell them you promote beauty products or something similar. they will think your gay and run away very quickly