boast

to gloat or brag about something
he was boasting about his fly girlfriend.
comes from the combination of the words “bonus” and “toast.” legend says the word was first uttered at the discovery of an unexpected extra piece of toast. today, it is commonly used as 1) an exclamation of excitement; 2) as an adjective toward the cause of the unexpected emotion; or 3) as a direct noun, bonus toast.
1. “wait, obama is president? you mean we finally got a black man as president? boast!”

2. “that sh-t was boast when the guest performer came onstage.”
to brag about something; to show off.
the girls in school like to boast about being popular.
burnt toast, to boast is to burn your toast or be presented with burnt toast by another.
dude: hey man thats some burnt toast

brian badonde: boooo boast!!!
noun. in jailhouse vernacular a boast is a form of yard poetry that is developed to brag about a renown pimp, hustla or playa’s deeds. yard poetry is the origin of modern rap. inmates had no musical accompaniment yet music became an essential form of entertainment for inmates trying to get through their bid.
here is a cl-ssic boast, replete with examples of jailhouse vernacular, ent-tled:

“cipher’s boast”

of myself, i freely admit, besides some small sh-t i ain’t got no game

but i once knew this sly hustlin, fly dressin motherf-cker who’d built himself quite a name

as quiet as its kept you may not know of the longshoe of the century

so let me deal out the holecard and put you wise to his pedigree

cipher, from the street he attained kingpin status through concentration and kilos and pimpin hoes with big -sses

he wore vines displaying taste well ahead of his time

and sharkskin kicks, bustin hoes in the -ss who refused to turn tricks

but he always dealt solid to those in his flock and as much as it may come as a shock

he only layed out lames who tried to lay him two ways

you know some lames just can’t take the weight, but like a stone cold n-ble he did his bid and went straight!