Is feck a word in the Scrabble Dictionary

Yes, feck is playable

...and is worth 14 points.

Found in the following dictionaries

Enable (Words with friends)
SOWPODS (Collins Scrabble Words)
OTCWL2014 (NASPA Word List 2014)
TWL06 (NASPA List 2006)

"Feck" Definition

noun

Effect, value, vigor.
Source: Wiktionary

interjection

Equivalent to blast, etc.http://www.irishtimes.com/newspaper/opinion/2010/0120/1224262708751.html.
Source: Wiktionary

verb

&*%$# (except literally).
Source: Wiktionary
To leave hastily.
Source: Wiktionary
To steal.
Source: Wiktionary
To throw.
Source: Wiktionary