similar to the oral triangle, when a minimum of three people are performing oral sex on each other, and the people are in a line, forming a 'train' by their respective bodies being 'linked' by the oral-genital contact.
Suzie was unable to answer her phone because she was too busy eating out her girlfriend while her boyfriend was behind her, eating herself out at the same time.
Instead, she texted to her best friend, "can't talk, in the middle car of an oral train"
Instead, she texted to her best friend, "can't talk, in the middle car of an oral train"
by Cysteine August 12, 2011

by Sex ED July 28, 2006

ones act of a female having allergies or a really bad cold then a male helps the female out by sticking ones dick in said female nose and thrusting vigorously. therefore helping female clear her nose passages and helping said male orgasm.*(doesn't work well jizzing in nose)
Jenna:damn my allergies are acting up again. Jeremy:but you were suppose to give me oral. Jenna: why don't i just give you nose oral Jeremy:it's better than a wooden duck up my ass
by garthantaclops July 8, 2010

Otherwise known as "the dentist" or "the dental hygienist", the oral hygienist is the lost art of giving two guys head at the same time, in the sense that the multiple penises represent the dental tools.
Guy 1: dude i totally had a three way last night with this random dude and this chick
Guy 2: oh nice... i think... you didn't cross swords did you?
Guy 1: Are you kidding me, we gave her the oral hygienist, she totally got the fluoride treatment.
Guy 2: nice.
Guy 2: oh nice... i think... you didn't cross swords did you?
Guy 1: Are you kidding me, we gave her the oral hygienist, she totally got the fluoride treatment.
Guy 2: nice.
by squantooo March 26, 2009

The act of two persons using their mouths to perform sexual intercourse.
These two persons can be of the same or opposite sex but they are rarely a married couple.
These two persons can be of the same or opposite sex but they are rarely a married couple.
by Cheerleader Fucker August 25, 2004

by Mario Gannarelli March 13, 2010

1. When you put a condom over your tongue before you go down on your bitch or man-whore.
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2. Also taking a used condom and putting it over your tongue and licking up the cum.
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2. Also taking a used condom and putting it over your tongue and licking up the cum.
"Before going down on my girlfriend, I made sure to use some oral protection since she was on her period."
"Even after we were done fucking, my girlfriend was still horny, so she took the condom and used it for oral protection."
"Even after we were done fucking, my girlfriend was still horny, so she took the condom and used it for oral protection."
by RileyFish April 27, 2015
