Here are the possible solutions for sign up for more clue
Answer
Clue
Relevancy
pileiton
Clue
Give more, more, more
omen
Clue
Good sign or bad sign
Definition
to provide with a prophetic sign
ptomaineconcourse
Clue
Warning sign at a train station's food court? (NOTE: The original sign, without my additions, actually exists. It's in Grand Central Terminal in NYC, on the lower level — the food court level. The sig
redflag
Clue
Sign of danger — sign of socialism
stopahead
Clue
Pre-sign sign
beforeweboth
Clue
More of the sign
comeinandeat
Clue
More of the sign
hairball
Clue
Sign that you need to brush more?
Definition
a concretion of hair in the stomach, e.g. in cats as a result of swallowing fur, etc. during grooming
