The word slobbering is playable in Words With Friends™, no blanks required. Because it is longer than 7 letters, you would have to play off an existing word or do it in several moves.
Words With Friends™ Letter Score: 20
Highest Scoring Words With Friends™ Plays In The Letters slobbering
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Seven Letter Word Alert: (39 words)
belongs, bingers, boilers, borings, eloigns, gerbils, gibbons, gibbose, girnels, glibber, glories, gobbers, gobbier, gobbler, gobbles, goblins, ignoble, ignores, legions, lingers, lingoes, lobbers, lobbies, lobbing, nibbers, nibbler, nibbles, nobbier, obliger, obliges, reblogs, reboils, regions, ribbons, robbing, robbins, slinger, slobber, sobbing