名詞 chump:

1. a person who is gullible and easy to take advantage of
   同義詞：fool, gull, mark, patsy, fall guy, sucker, soft touch, mug

1. His action are so irrational that I think he must be off his chump.
   他的行為毫無理智，我認為他一定是瘋了。
2. She does such foolish things that she must be completely off her chump.
   她竟干出這樣的蠢事來，一定是發(fā)了瘋。

chump

n.（名詞）
A stupid or foolish person; a dolt.
愚蠢的或愚笨的人；白癡

來源：
Perhaps blend of chunk
可能混合了 chunk
lump
lump
or stump
或 stump

chump
chump 2

v.tr.intr.（及物動詞和不及物動詞）
chumped,chump.ing,chumps
To chew or make a chewing movement.
咀嚼：咀嚼或做咀嚼動作

來源：
Variant of champ
champ的變體