Definitions by porno

4th base 

TO FUCK LIKE A DOG !!!! when u tell someone you got to 4th base they are very proud

i told my dad i got to 4th base with my gf he gave me a pat on the back

4th base by porno May 23, 2005

busto's 

To run a train on someone{sexually}.

"I went to this chicks house and me, and a woman with a penis, and a midget,and a donkey ran busto's on her."

busto's by porno November 16, 2003