suction

suc·tion   (sŭk'shən)    n.   The act or process of sucking. A force that causes a fluid or solid to be drawn into an interior space or to adhere to a surface because of the difference between the external and internal pressures. tr.v.   suc·tioned, suc·tion·ing, suc·tions To draw away or remove by the force of suction: suction fluid from the lungs. To clean or evacuate (a body cavity, for example) by the force of suction. adj.   Creating suction. Operating or operated by suction. [Late Latin sūctiō, sūctiōn-, from Latin sūctus, past participle of sūgere, to suck; see seuə-2 in Indo-European roots.]

suck n. and suction. liquor; wine; beer; strong drink. : How about a little glass of suck before we leave? tv. and suck. sth up to drink beer or liquor. : Yeah, I'll suck one up with ya. in. [for someone or something] to be bad or undesirable. : This movie sucks! n. and suction. influence. : He thinks he has suck, but he's just a pain in the neck.

suction 

Main Entry: ¹suc·tion
Pronunciation: 's&k-sh&n
Function: noun
1 : the act or process of sucking
2 a : the act or process of exerting a force upon a solid, liquid, or gaseous body by reason of reduced air pressure over part of its surface b : force so exerted
3 : the act or process of removing secretions or fluids from hollow or tubular organs or cavities by means of a tube and a device (as a suction pump) that operates on negative pressure