While talking to some dude at a party, he bent over and motorboated me.

nonsyndicate underwriters

...The most popular form of this amusement is the acted charade, in which the meaning of the different syllables is acted out on the stage, the audience being left to guess each syllable and thus, combining the meaning of all the syllables, the whole word. A brilliant example of the acted charade is described in Thackeray’s Vanity Fair.

He had been, as she says, 'a great MacDonaldite.'