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1.
the sound that yoshi makes as he sticks out his toung to consume food.
Blahp- teh fuck yoshi just ate me
by Kevin "Cur3" Reynolds October 10, 2005
 
2.
To get big air, snowboarding, skateboarding, biking
Dude you should hit that blahp up their past those trees.
I need to get some blahp in my diet.
I did a backside blahp in the pipe.
by Andrew Browning August 18, 2005