look up any word, like ratchet:
 
3.
to always be looking out and paying extra close attention to the wellbeing of ones self and not care about those around themselves
i see that tim blyth's (no vowel!) looking out for number 1 again i see
by Aidan Allt October 11, 2004
 
1.
Yourself.
Always look out for number 1.
by TheFrogPrints October 29, 2011
 
2.
the shortest haircut you can get also known as a buzz cut.
I'll have a number 1 haircut please.
by Jaspurr September 30, 2011
 
4.
someone who is number 1 is someone popular who talks to a lot of girls.
Dayuuuum, you see Abe over there talking with those 5 girls, hes such a Number 1!!!
by dj in the mix April 07, 2011
 
5.
Your most top clothes. The clothes you would wear to a ball, fancy dinner, job interview, etc..
Kent: Scatman, see your wearing your number 1's eh,

Scatman: Yeah, been trying to get a job as a hydraulics engineer

Kent: Sounds serious, you wanna get high?

Scatman: Yeah
by Kbud November 05, 2007
 
6.
An Awesome guy, a men amongst men. The kind of guy that has ladies frothing at the gash. Titled number 1 because hes the best ride a girl could have. Her number1.
That Jay, he fucked me six ways from Sunday he's my number1.

He is an awesome guy, a real number1.

My gash has never taken a pounding like that before, a true number 1.
by Number1guy April 24, 2009
 
7.
To urinate. Also see number 2
"This will be quick, I just gotta' take a number 1."
by x January 31, 2003