interrupt

Entry Definition
inappropriately outspoken person (one who embarrasses others, interrupts, etc.)
interferer, interrupter; loudmouth
s/he interrupts by speaking
s/he pushes way in, cuts in line in front of others; s/he interrupts
s/he interrupts, interferes; s/he is loudmouth, mouths off
s/he interrupts (with words), mouths off
s/he distracts h/ while talking, interrupts h/
s/he interrupts h/ thoughts or bothers h/ or distracts h/ by talking