I doubt that this is true (my bolding). TikTok is chock-full of 2024 posts of people saying they’re voting for Trump because he will “gimme my stimmy”. In October 2023 rap star “Sexxy Red” said
The “stimmy” (apparently that’s the way it’s spelled) was mentioned all over social media this year. People connected it with Trump, and, apparently, assumed that a vote for Trump equals a new check arriving.
Not true, but it seems to have been widely-believed. Here are a few sources mentioning “stimmys”:
https://www.tiktok.com/discover/give-me-another-stimulus-check