clutch beta
Good advice. May be used sincerely or sarcastically. The term "beta" originates in the rock climbing community, where it refers to a preferred sequence of moves to successfully climb a route. See also protip and lifehack.
Alice: The highway is always backed up here. I like to take the next exit and use the surface streets.
Bob: Oooh, clutch beta! Thanks.
Bob: Oooh, clutch beta! Thanks.