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2.
Means Kiss in Swahili :)
kissing someone :)
busu
by FallenStar September 02, 2008
 
1.
Definition: A japanese insult Yahiko used to make Kaoru extremely upset

Translation: ugly hag, ugly, hag

Yahiko: Come and get me BUSU!!!

Kaoru: Yahiko no Baka! You come back here!!!
by Himura Kasumi May 13, 2003
 
3.
Bag up before you slag up, the most important mnemonic for any young men going out on the prowl. Remember to wear a raincoat before you tup skanky women.
If you're going out don't forget to BUSU, bag up before you slag up
by fluvial September 13, 2011