on one 

to be under the influence of methamphetamines

i heard joe's been on one for the past three days

on one by Leya Fish January 19, 2003

tie one on 

To get drunk, sauced, hammered, sleighed, intoxicated, snookered, pissed, sh!t faced or wasted.

I tie one on and called some chick I met on the internet.

tie one on by Drew & Marguerite May 11, 2008

strap one on 

(For lesbians) To put on a strap-on dildo for either porking or packing purposes.

Hurry up and strap one on, bitch! I'm dying for a slam!
or
If we're going out tonight then wait a minute while I strap one on- I don't want anyone getting the wrong idea if they grope me.

strap one on by gunslinger May 22, 2006

put a smile on one's face 

to make someone feel happy.

Look at Freddy, he looks so sad, let's go and put a smile on his face. ( put a smile on one's face.)

put a smile on one's face by Nabeel, January 16, 2008

take one on

(1) get hired -either 'him' or 'her', ie: take her/him on

(2) acceptance as sex partner, "lover", business partner

jim mcfoolsis the employer, didn't think he needed to take a human on, but had to take one on anyway

kate convinced the candy store owner to take her on

mark got the green light from carrie, that she would take him on

take one on by michael foolsley December 22, 2009

On One 

Slang used to describe when someone is in a bad mood

"Man, I dont know what Susans problem is but she's On one!"
"Yea she's been a crank lately"

On One by Aschattack June 12, 2018

on one 

To be under the influence of methamphetamines AKA ice,meth,speed,dope,etc.

Tuttie's on one man, he been smokin' ice all week!

on one by rooster760 February 28, 2005