When aggressively pushing your legs to roll your chair backwords: A. Make sure you are not in front of 28 teenagers who are taking a test. B. Make sure it is a rolling chair. #LFMF
If you have to throw up, don't cover your mouth because it WILL come out your nose. #LFMF
If you're a bit windy after a big meal and then things get frisky, don't let your girlfriend get on top. Simultaneously climaxing and farting really kills the mood. #LFMF