keh'-leb
from an unused root means. to yelp, or else to attack; a dog;
hence (by euphemism) a male prostitute:--dog.
So he brought down [03381] the people [05971] unto the water [04325]: and the Lord [03068] said [0559] unto Gideon [01439], Every one that lappeth [03952] of the water [04325] with his tongue [03956], as a dog [03611] lappeth [03952], him shalt thou set [03322] by himself; likewise every one that boweth down [03766] upon his knees [01290] to drink [08354].