我想問呢句法文點解?

Yes the meaning is " I want to kiss you, my little fat pig"
but 錯哂grammar.

bizou 係 noun, 唔可以當動詞用架!

tu 都唔可以咁放

kiss 既法文好似係 baiser, veux 後既verb 唔洗轉form.

so it should be " je veux te baiser, mon petit gros cochon" However, in France, if you call someone "cochon", they will find it an insult unless they know you well.

其實你衣句句子文法有錯誤

應該講 ( je veux te faire un bisou ,mon petit gros cochon )
意思解 ( 我想錫你一淡 ,我的小肥豬)

而你一開始果句
je veux bisou tu mon petit gros cochon
邏輯上有錯誤

tu 係名詞 ,吾可以當係連接詞

je veux bisou tu mon petit gros cochon
=我想要親吻您我的小大豬