To fluster is defined as to make someone become agitated, nervous or confused.
(verb)When you ask a person questions he doesn't understand and he gets nervous, this is an example of a time when you fluster him.
See fluster in Webster's New World College Dictionary
transitive verb, intransitive verb
Origin: ME flosteren, prob. < Scand, as in Ice flaustra, to bustle, hurry
noun
See fluster in American Heritage Dictionary 4
tr. & intr.v. flus·tered, flus·ter·ing, flus·ters
Origin:
Origin: From Middle English flostring, agitation
Origin: , probably of Scandinavian origin; see pleu- in Indo-European roots
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