No definitions found for 'tough as leather'
Perhaps one of these:
tachyglossus,
texas league single,
tuskegee, al,
tiki island, tx,
tachyglossa,
toxicologically,
toxical,
toxoglossa,
toxicology,
tissue culture,
to couch a lance,
to wash gold,
tisical,
thigh-slapper,
tussah silk,
toxicologic,
toxicological,
tussicular,
tachyglossidae,
the social evil,
tiki island,
toxicologist,
thesicle,
texas longhorn,
two-cycle,
texas leaguer,
tusseh silk