reeks of bullshit Share definition Flag when someone is full of shit. liar, gossiper, this person is just shady in general. "omg jake reeks of bullshit." "i know omg he is so sketchy." reeks of bullshit by mustard ass December 10, 2015 0 0 Get merch Get the reeks of bullshit mug. Buy Now — $32.95 See more merch