(intransitive) To thrust one's fist, most commonly forward or upward, as in celebration.

The thrusting of one's fist, most commonly forward or upward, as in celebration.

Alternative form of fist pump

A hydraulic device attached to a door in its one end and to the doorframe in the other, performing one or more of the following functions: a) dampening the movements of the door, b) making sure that the door closes properly, and c) assisting in opening it.

plural of door pump

A pump specifically built for draining something such as a washing machine or an A/C unit.

Synonym of gas and dash

Synonym of gas and dash

A method of ventilation used in respiration in which the animal moves the floor of its mouth in a rhythmic manner that is externally apparent. It is the sole means of inflating the lungs in amphibians.

plural of pussy pump