Top definition
The act of carefully and cautiously checking out a new person to decide if they're acceptable or not. Originates from the way dogs check each other out upon meeting.
I know you want your boy to come along but I'll have to sniff the pooch first and see if he's cool.
by Commonsinse February 14, 2006
Get the mug
Get a Sniff the pooch mug for your brother-in-law Manafort.