Syncing the cold line...
The Cold Line
Syncing the cold line...
The Cold Line
What Grinder means in sports betting — explained in plain English.
A bettor who grinds out small, consistent profits over time.
"He's a grinder — 2 units a day, every day."
Browse the full A–Z betting glossary or read the complete betting guide. The Cold Line also publishes a free year-round sports calendar and live odds board — no signup required.