Bug in a Rug 

When you are getting sucked off by a bald woman, you jiz on her head and put her wig back on.

That bald woman was sucking me off so I gave her a bug in a rug.

Bug in a Rug by Dkfusion November 3, 2008

snug as a bug in a rug 

When someone gets in a very confortable and safe position or place.
usually used to define in a funny way when the kid feels great laying in a bed to sleep.

little Annie is in bed, she's snug as a bug in a rug.

snug as a bug in a rug by Lliliany March 5, 2007