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1.
It means simply Very Crazy. beau·coup (bk, b-, b-k) also boo·coo or boo·koo (b-) Chiefly Southern U.S.

adj.
Many; much: beaucoup money.

n. pl. beau·coups also boo·coos or boo·koos

An abundance; a lot.

adv.
In abundance; galore: I like that beaucoup.

dinky dau Vietnamese term for crazy
You much (actually beaucoup) boocoo dinky dau soldier. I be your girl-friend for long-time, short-time.
by Corpsmanup 2/4 January 20, 2014