???JavaScript 1.8, 133135 bytes, cracked by Dennis
[a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t,u,v,w,x,y]='Programmingy,z]='Programming puzzles and code golf!'
this[y+c+j+s+c+q+r][q+c+d]('Hello, World!');
I hope this one isn't too easy.
The first line will assign, each letter of the alphabet to their associated index in the string.
The next line will get evaluated to:
this["console"]["log"]('Hello, World!');