The difference between Blooper and Fluff

When used as nouns, blooper means a blunder, an error, whereas fluff means anything light, soft or fuzzy, especially fur, hair, feathers.

Fluff is also verb with the meaning: to make something fluffy.

check bellow for the other definitions of Blooper and Fluff

Blooper as a noun (informal):

A blunder, an error.

Examples:

"synonyms boo-boo faux pas fluff gaffe lapse mistake slip stumble Thesaurus:error"
Blooper as a noun (baseball, slang):

A fly ball that is weakly hit just over the infielders.

Examples:

"synonyms banjo hit flare Texas leaguer"
Blooper as a noun (film, informal):

A filmed or videotaped outtake that has recorded an amusing accident and/or mistake.
Blooper as a noun (nautical):

A gaff-rigged fore-and-aft sail set from and aft of the aftmost mast of a square-rigged ship; a spanker.
Blooper as a noun (US, dated):

A radio which interferes with other radios, causing them to bloop (squeal loudly).

Fluff as a noun:

Anything light, soft or fuzzy, especially fur, hair, feathers.
Fluff as a noun:

Anything inconsequential or superficial.

Examples:

"That article was basically a bunch of fluff. It didn't say anything substantive."
Fluff as a noun:

Lapse, especially a mistake in an actor's lines.
Fluff as a noun (New England):

Marshmallow creme.
Fluff as a noun (LGBT):

A passive partner in a lesbian relationship.
Fluff as a noun (Australia, euphemistic):

A fart.

Fluff as a verb (transitive):

To make something fluffy.

Examples:

"The cat fluffed its tail."
Fluff as a verb (intransitive):

To become fluffy, puff up.
Fluff as a verb (intransitive):

To move lightly like fluff.

Examples:

"rfquotek Holmes"
Fluff as a verb (transitive, intransitive, of an actor or announcer):

To make a mistake in one's lines.
Fluff as a verb (transitive):

To do incorrectly, for example mishit, miskick, miscue etc.
Fluff as a verb (intransitive, Australia, euphemistic):

To fart.
Fluff as a verb (transitive, slang):

To arouse (a male pornographic actor) before filming.