Large tuna species found in the shallow waters of the Long Island Sound
When I wouldn't stop crying, my father bribed me with a blehk sandwich he knew I would play with for hours.
Puking sound effect
Used to diss something as mediocre
A : How do ya find my new invention?
B : That is so blehk!
A : She's hot.
B : Blehk!
as a verb
B : Blehk that!