Yes, blow is playable
...and is worth 11 points.
Found in the following dictionaries
Enable (Words with friends)
SOWPODS (Collins Scrabble Words)
OTCWL2014 (NASPA Word List 2014)
TWL06 (NASPA List 2006)
"Blow" Definition
noun
A mass of blossoms: peach blow.
A sudden hard stroke or hit, as with the fist or an object.
An unexpected attack; an assault.
phrasal-verb
Blow away Slang To affect intensely; overwhelm: That concert blew me away.
Blow away Slang To defeat decisively.
Blow away Slang To kill by shooting, especially with a firearm.
Blow in Slang To arrive, especially when unexpected.
Blow off Slang To choose not to attend or accompany: They wanted us to come along, but we blew them off.
idiom
Blow off steam To give vent to pent-up emotion.
Blow out of proportion To make more of than is reasonable; exaggerate.
Blow smoke To brag or exaggerate.
Blow smoke To speak deceptively.
Fuse Slang To explode with anger.
verb-intransitive
Slang To go away; depart.
To be in a state of motion. Used of the air or of wind.
To expel a current of air, as from the mouth or from a bellows.
verb-transitive
Music To cause (a wind instrument) to sound.
Music To sound: a bugle blowing taps.
Slang To spend (money) freely and rashly. See Synonyms at waste.
Slang To spend money freely on; treat: blew me to a sumptuous dinner.
Slang To spoil or lose through ineptitude. See Synonyms at botch.
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