Is a thumbs up emoji a rude response?

The same emoji means different things depending on the message above it. After a logistics text like a time or a place, it usually means she saw it and agrees. After a message where you shared something or asked her something, it can mean she's busy, unsure what to say, or mildly uninterested. Look at whether your last message asked for anything. If it did and she answered with only the emoji, she skipped the part she didn't want to answer. If it didn't ask for anything, the emoji is probably just a full stop she was happy to put there.

Also look at her previous messages. If she usually writes paragraphs and this is the first one-word reply, that change matters more than the emoji itself. If she always replies this way, it's just her texting style and you shouldn't read anything into it.

When the thumbs up follows a message that didn't need an answer, you can leave it alone or send a short, warm line that adds one piece of new information about you. The goal is to make it easy for her to respond with words, not to make her feel obligated. A small plan, a reaction to something she said earlier, or a playful comment works well. Keep it under a sentence and leave the door open without asking her to justify her last message.

When the thumbs up skipped a question, the move is different. Ask the question again in a slightly easier form, or offer a choice between two options so she can answer with one word. Don't repeat the same question in the same words, because that reads as pressure. The reply should make answering easy, not sound like you're checking up on her.

If you're texting in the same day, a gap of an hour or two before you send anything else is normal and keeps you from looking eager. If it's late and she's clearly winding down, leave it until the next morning and send something casual then. If she replies to your next message with real words, you have your answer and can keep going at her pace.

If you've sent one follow-up that got another thumbs up or nothing, stop there. Don't send a third message to see if things improve. A week of silence after two short exchanges usually means the conversation has run its course, and the most respectful move is to let it end without a sign-off. If you want to try again later, wait at least several days and open with something new rather than picking up the old thread.