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1. upright
to be awake, out of bed, or standing up.
dude, it's 3am. i will text you back when i am upright.
2. Upright
Type of Bicycle ridden by balancing on a small, hard piece of rubber known as a saddle. This type of bicycle causes several problems which include the following:
Wrist pain
Shoulder pain
Neck pain
Back pain
Saddle sores
The above problems are not present on a recumbent bicycle.

Also known as a Diamond-Frame (DF) bicycle, a UCI bike, an Upwrong or a wedgie bike.
I am going to ride my upright bicycle.
by 'Bent Triker Dec 27, 2004 add a video
3. upright
This refers to an act of oral sex being performed on a man as he stands, while the woman doing the favor is kneeling before him...an "upright (blowjob)".
"Just because we went out to dinner once, he thought he was entitled to an upright, or something."
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