For you search query Lock Up we found around 60471 songs. We may show you only some of them on this page. The act of holding a dick in ones mouth while the person sits on their shoulders. By sitting on the others shoulders and inserting their dick in the others mouth. Define lockup. lockup synonyms, lockup pronunciation, lockup translation, English dictionary definition of lockup. n. 1. Informal A jail, especially one in which.