A smell-a-like is a perfume that smells like a designer fragrance but with a different name and packaging, and at a cheaper price. A smell-a-like isn't an exact copy, but often smells very similar.
I used M&S inspire couple of years back and it exactly smells like lacoste pour femme. Very light and sweet...
I was really amazed at how alike these two smell.I had the M&S one first,and fell in love with it.I got the Lacoste Pour Femme as a present,I had never actually smelt it but I was so happy to have it even though it is about three times more expensive.It is very alike after a few moments,at first the M&S one is harsher.Both don't really last long as they are very delicate,so the M&S one is well worth buying...if you can get it.