Nickname for a guy whose hair is big because he was too lazy to go to the hairstylist for 2 months now, so it looks like he is wearing a bonnet or a hat.
A: My boyfriend, Boni, he is so cute wearing those headphones all day.
B: I know riiiight?! When he takes them off and you can see the trail on his hair, hahaha, so funny!
Sally's a really good employee and Mr. Peterson seems to really like her. I wouldn't be surprised if over the past couple of years she's recieved many boni.
The plural of bonus.
It originates from other words of a similar structure to 'Bonus' being worded similarly when put into plural format. e.g. Cactus becomes cacti.
"So I get money AND I get a free ride as well? Boni!"