look up any word, like thot:

1 definition by The J-Man aka dirty masta Xtizzle

 
1.
37
hot butt sex. the 3 is a sideways butt. this might make it more clear:
3-7.
or a european 7 with the line through it. goes into the 3. other variations include:
3-8, 3378
I had a 37with your grandmama. or: your cat 37'ed me. 37 goes on in prison. It's illegal to 37 your sister in 46 states.