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The act of doggy style, hitting it from the back ferociously, sliding up to the bumper in order to saddle up and ride. Other variations include pterodactyl and is based on doggy style. Phallus can be inserted into anus or vagina. True 39ing normally includes a great deal of screaming. Blood flow may ensue. 39ing never includes homosexuals queer(s) and faggot(s).
1. When Josh was 39ing Lexxe, he lifted the sheets and pulled a Pterodactyl, screaming like a deranged dinosaur and shooting his cum deep into her unprepared asshole while Thomas, stationed in the closet, videotaped while softly stroking his erect rod.
2. Stemp said, "Bob 39ed Mary so much, she required stitches to repair her demolished vagina."
by JARS December 03, 2006
a number that subconsciously attracts the member of the opposite sex when displayed.
Niven: Check out my s3xy 39 shirt"
Assorted girls: He's so hot, I wan't his bod!!!!"
by Kat November 25, 2004
a person (not naming any names here) that likes to wear midriffs and eat all of the SSS mac&cheese. also a key number in the BBC cough....GG <3's him...cough
"OMG #39!!!!!!! hes so0o0o0o totally at least #10 on ungodly hottness scale worthy!"

"#39's bike got run over my a truck and the pedal squeaks"

"#39 plays the baratone, w/e the hell that is¿?!"
by Cookie October 17, 2004
Numbers, when said in Japanese (san and roku), sound like "thank you." Mostly used in text messages.
Charlie: got da tix 4 u
Sam: 39
by obey gravity December 20, 2006