A bampin is short for the Dutch "boterham met pindakaas", meaning a peanutbutter sandwich. Boterham is often affectionately called a "bammetje", which is turn is abbreviated to "bam". "Pin" clearly speaks for itself.
"Barmp" is a a Newfoundland term which is synonymous with "(to) honk your horn" and any other such variations of the word. Often times, however, the word is associated with being angry, so you may only "barmp your horn," if you were experiencing a bout of road rage.
A name created by Smitty. If you're drunk, high or both while playing CS:GO, saying Bappo followed by anything that rhymes with Bappo is the funniest thing in the world.
When Bappo says something racist on live TV. Bappo no Flacko
When Bappo ended World War 2. Bappo nuked Jappos