it is a hybrid compound noun in Sebuano-English that is used as a figurative language for a boy that is as fast as lightning (kilat is Sebuano for lightning); or it pertains to a guy that survived a lightning strike.
by 6cyclops9 December 18, 2019
Get the boy kilatmug. 
by TC June 19, 2003
Get the Calpy Boymug. The male equivalent to a basic bitch, will always try to pull the blondes with fake tits and lip filler, typically found watching love island/ex on the beach sporting skin tight clothes and shitty lion, clock or rose tattoo's.
Bro 1: what the fuck is that orange cunt doing here?
Bro 2: probably trying to suck on Ella’s plastic tits, all you need is sauvage to rail that slag.
Bro 1: greasy prick probably knows about 3 words!
Bro 2 : doubt he’ll have much trouble then, dumb cunts both of them.
Bro 1: what a fucking poo boy, wait till he sees her cock.
Bro 2: probably trying to suck on Ella’s plastic tits, all you need is sauvage to rail that slag.
Bro 1: greasy prick probably knows about 3 words!
Bro 2 : doubt he’ll have much trouble then, dumb cunts both of them.
Bro 1: what a fucking poo boy, wait till he sees her cock.
by Gary Dave September 22, 2023
Get the Poo boymug. The term best boy is commonly referred to the Electric Guitarist of popular Korean rock band, Jae (Park Jaehyung) of Day6, who debuted with Congratulations in 2015.
by FULLWOON November 29, 2020
Get the Best Boymug. by Me omg im so peak February 24, 2024
Get the Bloxxy boymug. 