English ⇄ Russian

flap gums stresses
inf.	чесать языком (They're still out on the porch, flapping their gums. VLZ_58); говорить безостановочно (Whenever Charlie starts to flap his gums, I can't get in a word! VLZ_58); трепаться (VLZ_58)
flap one's gums
Makarov., disappr.	мозолить язык (болтать)

flap gums: 2 phrases in 1 subject

Makarov

2