Mirdza Ķempe (1904–1974) was the most recognised among Latvian women poets during the Soviet era. The poetry she predominantly dedicated to the imagined Soviet utopia, Lenin, and the glorification of the Communist Party was artistically weak. Endowed with a remarkable sense of humour, Ķempe composed ironic and satirical impromptu poems and prose for the circle of her friends and acquaintances. These poetry and prose works have not been compiled and separately analysed until now. They have been preserved in a dispersed form, mainly in the memories of her contemporaries. The article includes extensive references to Ķempe’s works in the genres of humour and satire, collected from both published sources and interviews conducted by the article’s author with the poet’s contemporaries. The article analyses these works and conducts a separate analysis of Ķempe’s biographical circumstances within the context of the life-writing method, highlighting the gelotological aspect of the poet’s humour. It can be concluded that she is the only Latvian female writer for whom humour and satire have been a characteristic form of self-expression. She has neither collected nor published her humorous impromptus. The article represents the first attempt to illustrate how the ideological stereotypes created by Ķempe and other poets during the Soviet era were “thawed” and melted in the laughter space of Gelos. Even if it had been Ķempe’s greatest desire during the Soviet era, these humorous impromptus could not have been published. They demonstrate that when writing and publishing something one does not believe in, there must be some compensatory mechanism for the writers. In Ķempe’s case, this was internal laughter expressed in humorous poetry and witty short prose.